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[Qemu-devel] [PATCH v2 21/26] tcg-ppc: Remove the backend
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From: |
Richard Henderson |
|
Subject: |
[Qemu-devel] [PATCH v2 21/26] tcg-ppc: Remove the backend |
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Date: |
Tue, 27 May 2014 14:26:30 -0700 |
Vectoring the 32-bit build to the ppc64 directory.
Signed-off-by: Richard Henderson <address@hidden>
---
configure | 2 +
tcg/ppc/tcg-target.c | 1933 --------------------------------------------------
tcg/ppc/tcg-target.h | 111 ---
3 files changed, 2 insertions(+), 2044 deletions(-)
delete mode 100644 tcg/ppc/tcg-target.c
delete mode 100644 tcg/ppc/tcg-target.h
diff --git a/configure b/configure
index 605a0ec..029a6ac 100755
--- a/configure
+++ b/configure
@@ -4703,6 +4703,8 @@ elif test "$ARCH" = "s390x" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
+elif test "$ARCH" = "ppc" ; then
+ QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc64 $QEMU_INCLUDES"
else
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
fi
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
deleted file mode 100644
index d64eaa5..0000000
--- a/tcg/ppc/tcg-target.c
+++ /dev/null
@@ -1,1933 +0,0 @@
-/*
- * Tiny Code Generator for QEMU
- *
- * Copyright (c) 2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "tcg-be-ldst.h"
-
-static tcg_insn_unit *tb_ret_addr;
-
-#if defined _CALL_DARWIN || defined __APPLE__
-#define TCG_TARGET_CALL_DARWIN
-#endif
-
-#ifdef TCG_TARGET_CALL_DARWIN
-#define LINKAGE_AREA_SIZE 24
-#define LR_OFFSET 8
-#elif defined _CALL_AIX
-#define LINKAGE_AREA_SIZE 52
-#define LR_OFFSET 8
-#else
-#define LINKAGE_AREA_SIZE 8
-#define LR_OFFSET 4
-#endif
-
-#ifndef GUEST_BASE
-#define GUEST_BASE 0
-#endif
-
-#ifdef CONFIG_USE_GUEST_BASE
-#define TCG_GUEST_BASE_REG 30
-#else
-#define TCG_GUEST_BASE_REG 0
-#endif
-
-#ifndef NDEBUG
-static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
- "r0",
- "r1",
- "r2",
- "r3",
- "r4",
- "r5",
- "r6",
- "r7",
- "r8",
- "r9",
- "r10",
- "r11",
- "r12",
- "r13",
- "r14",
- "r15",
- "r16",
- "r17",
- "r18",
- "r19",
- "r20",
- "r21",
- "r22",
- "r23",
- "r24",
- "r25",
- "r26",
- "r27",
- "r28",
- "r29",
- "r30",
- "r31"
-};
-#endif
-
-static const int tcg_target_reg_alloc_order[] = {
- TCG_REG_R14,
- TCG_REG_R15,
- TCG_REG_R16,
- TCG_REG_R17,
- TCG_REG_R18,
- TCG_REG_R19,
- TCG_REG_R20,
- TCG_REG_R21,
- TCG_REG_R22,
- TCG_REG_R23,
- TCG_REG_R28,
- TCG_REG_R29,
- TCG_REG_R30,
- TCG_REG_R31,
-#ifdef TCG_TARGET_CALL_DARWIN
- TCG_REG_R2,
-#endif
- TCG_REG_R3,
- TCG_REG_R4,
- TCG_REG_R5,
- TCG_REG_R6,
- TCG_REG_R7,
- TCG_REG_R8,
- TCG_REG_R9,
- TCG_REG_R10,
-#ifndef TCG_TARGET_CALL_DARWIN
- TCG_REG_R11,
-#endif
- TCG_REG_R12,
-#ifndef _CALL_SYSV
- TCG_REG_R13,
-#endif
- TCG_REG_R24,
- TCG_REG_R25,
- TCG_REG_R26,
- TCG_REG_R27
-};
-
-static const int tcg_target_call_iarg_regs[] = {
- TCG_REG_R3,
- TCG_REG_R4,
- TCG_REG_R5,
- TCG_REG_R6,
- TCG_REG_R7,
- TCG_REG_R8,
- TCG_REG_R9,
- TCG_REG_R10
-};
-
-static const int tcg_target_call_oarg_regs[2] = {
- TCG_REG_R3,
- TCG_REG_R4
-};
-
-static const int tcg_target_callee_save_regs[] = {
-#ifdef TCG_TARGET_CALL_DARWIN
- TCG_REG_R11,
- TCG_REG_R13,
-#endif
-#ifdef _CALL_AIX
- TCG_REG_R13,
-#endif
- TCG_REG_R14,
- TCG_REG_R15,
- TCG_REG_R16,
- TCG_REG_R17,
- TCG_REG_R18,
- TCG_REG_R19,
- TCG_REG_R20,
- TCG_REG_R21,
- TCG_REG_R22,
- TCG_REG_R23,
- TCG_REG_R24,
- TCG_REG_R25,
- TCG_REG_R26,
- TCG_REG_R27, /* currently used for the global env */
- TCG_REG_R28,
- TCG_REG_R29,
- TCG_REG_R30,
- TCG_REG_R31
-};
-
-static inline bool in_range_b(tcg_target_long target)
-{
- return target == sextract32(target, 0, 26);
-}
-
-static uint32_t reloc_pc24_val(tcg_insn_unit *pc, tcg_insn_unit *target)
-{
- ptrdiff_t disp = tcg_ptr_byte_diff(target, pc);
- assert(in_range_b(disp));
- return disp & 0x3fffffc;
-}
-
-static void reloc_pc24(tcg_insn_unit *pc, tcg_insn_unit *target)
-{
- *pc = (*pc & ~0x3fffffc) | reloc_pc24_val(pc, target);
-}
-
-static uint16_t reloc_pc14_val(tcg_insn_unit *pc, tcg_insn_unit *target)
-{
- ptrdiff_t disp = tcg_ptr_byte_diff(target, pc);
- assert(disp == (int16_t) disp);
- return disp & 0xfffc;
-}
-
-static void reloc_pc14(tcg_insn_unit *pc, tcg_insn_unit *target)
-{
- *pc = (*pc & ~0xfffc) | reloc_pc14_val(pc, target);
-}
-
-static void patch_reloc(tcg_insn_unit *code_ptr, int type,
- intptr_t value, intptr_t addend)
-{
- tcg_insn_unit *target = (tcg_insn_unit *)value;
-
- assert(addend == 0);
- switch (type) {
- case R_PPC_REL14:
- reloc_pc14(code_ptr, target);
- break;
- case R_PPC_REL24:
- reloc_pc24(code_ptr, target);
- break;
- default:
- tcg_abort();
- }
-}
-
-/* parse target specific constraints */
-static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
-{
- const char *ct_str;
-
- ct_str = *pct_str;
- switch (ct_str[0]) {
- case 'A': case 'B': case 'C': case 'D':
- ct->ct |= TCG_CT_REG;
- tcg_regset_set_reg(ct->u.regs, 3 + ct_str[0] - 'A');
- break;
- case 'r':
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- break;
-#ifdef CONFIG_SOFTMMU
- case 'L': /* qemu_ld constraint */
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
-#if TARGET_LONG_BITS == 64
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
-#endif
-#endif
- break;
- case 'K': /* qemu_st[8..32] constraint */
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
-#if TARGET_LONG_BITS == 64
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8);
-#endif
-#endif
- break;
- case 'M': /* qemu_st64 constraint */
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R8);
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R9);
-#endif
- break;
-#else
- case 'L':
- case 'K':
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- break;
- case 'M':
- ct->ct |= TCG_CT_REG;
- tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
- tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
- break;
-#endif
- default:
- return -1;
- }
- ct_str++;
- *pct_str = ct_str;
- return 0;
-}
-
-/* test if a constant matches the constraint */
-static int tcg_target_const_match(tcg_target_long val, TCGType type,
- const TCGArgConstraint *arg_ct)
-{
- int ct;
-
- ct = arg_ct->ct;
- if (ct & TCG_CT_CONST)
- return 1;
- return 0;
-}
-
-#define OPCD(opc) ((opc)<<26)
-#define XO31(opc) (OPCD(31)|((opc)<<1))
-#define XO19(opc) (OPCD(19)|((opc)<<1))
-
-#define B OPCD(18)
-#define BC OPCD(16)
-#define LBZ OPCD(34)
-#define LHZ OPCD(40)
-#define LHA OPCD(42)
-#define LWZ OPCD(32)
-#define STB OPCD(38)
-#define STH OPCD(44)
-#define STW OPCD(36)
-
-#define ADDIC OPCD(12)
-#define ADDI OPCD(14)
-#define ADDIS OPCD(15)
-#define ORI OPCD(24)
-#define ORIS OPCD(25)
-#define XORI OPCD(26)
-#define XORIS OPCD(27)
-#define ANDI OPCD(28)
-#define ANDIS OPCD(29)
-#define MULLI OPCD( 7)
-#define CMPLI OPCD(10)
-#define CMPI OPCD(11)
-#define SUBFIC OPCD( 8)
-
-#define LWZU OPCD(33)
-#define STWU OPCD(37)
-
-#define RLWIMI OPCD(20)
-#define RLWINM OPCD(21)
-#define RLWNM OPCD(23)
-
-#define BCLR XO19( 16)
-#define BCCTR XO19(528)
-#define CRAND XO19(257)
-#define CRANDC XO19(129)
-#define CRNAND XO19(225)
-#define CROR XO19(449)
-#define CRNOR XO19( 33)
-
-#define EXTSB XO31(954)
-#define EXTSH XO31(922)
-#define ADD XO31(266)
-#define ADDE XO31(138)
-#define ADDC XO31( 10)
-#define AND XO31( 28)
-#define SUBF XO31( 40)
-#define SUBFC XO31( 8)
-#define SUBFE XO31(136)
-#define OR XO31(444)
-#define XOR XO31(316)
-#define MULLW XO31(235)
-#define MULHWU XO31( 11)
-#define DIVW XO31(491)
-#define DIVWU XO31(459)
-#define CMP XO31( 0)
-#define CMPL XO31( 32)
-#define LHBRX XO31(790)
-#define LWBRX XO31(534)
-#define STHBRX XO31(918)
-#define STWBRX XO31(662)
-#define MFSPR XO31(339)
-#define MTSPR XO31(467)
-#define SRAWI XO31(824)
-#define NEG XO31(104)
-#define MFCR XO31( 19)
-#define CNTLZW XO31( 26)
-#define NOR XO31(124)
-#define ANDC XO31( 60)
-#define ORC XO31(412)
-#define EQV XO31(284)
-#define NAND XO31(476)
-#define ISEL XO31( 15)
-
-#define LBZX XO31( 87)
-#define LHZX XO31(279)
-#define LHAX XO31(343)
-#define LWZX XO31( 23)
-#define STBX XO31(215)
-#define STHX XO31(407)
-#define STWX XO31(151)
-
-#define SPR(a,b) ((((a)<<5)|(b))<<11)
-#define LR SPR(8, 0)
-#define CTR SPR(9, 0)
-
-#define SLW XO31( 24)
-#define SRW XO31(536)
-#define SRAW XO31(792)
-
-#define TW XO31(4)
-#define TRAP (TW | TO (31))
-
-#define RT(r) ((r)<<21)
-#define RS(r) ((r)<<21)
-#define RA(r) ((r)<<16)
-#define RB(r) ((r)<<11)
-#define TO(t) ((t)<<21)
-#define SH(s) ((s)<<11)
-#define MB(b) ((b)<<6)
-#define ME(e) ((e)<<1)
-#define BO(o) ((o)<<21)
-
-#define LK 1
-
-#define TAB(t,a,b) (RT(t) | RA(a) | RB(b))
-#define SAB(s,a,b) (RS(s) | RA(a) | RB(b))
-
-#define BF(n) ((n)<<23)
-#define BI(n, c) (((c)+((n)*4))<<16)
-#define BT(n, c) (((c)+((n)*4))<<21)
-#define BA(n, c) (((c)+((n)*4))<<16)
-#define BB(n, c) (((c)+((n)*4))<<11)
-
-#define BO_COND_TRUE BO (12)
-#define BO_COND_FALSE BO (4)
-#define BO_ALWAYS BO (20)
-
-enum {
- CR_LT,
- CR_GT,
- CR_EQ,
- CR_SO
-};
-
-static const uint32_t tcg_to_bc[] = {
- [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
- [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
- [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
- [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE,
- [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE,
- [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE,
- [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE,
- [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE,
- [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE,
- [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE,
-};
-
-static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg)
-{
- if (ret != arg) {
- tcg_out32(s, OR | SAB(arg, ret, arg));
- }
-}
-
-static void tcg_out_movi(TCGContext *s, TCGType type,
- TCGReg ret, tcg_target_long arg)
-{
- if (arg == (int16_t) arg)
- tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff));
- else {
- tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff));
- if (arg & 0xffff)
- tcg_out32 (s, ORI | RS (ret) | RA (ret) | (arg & 0xffff));
- }
-}
-
-static void tcg_out_ldst (TCGContext *s, int ret, int addr,
- int offset, int op1, int op2)
-{
- if (offset == (int16_t) offset)
- tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, offset);
- tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
- }
-}
-
-static void tcg_out_b(TCGContext *s, int mask, tcg_insn_unit *target)
-{
- ptrdiff_t disp = tcg_pcrel_diff(s, target);
- if (in_range_b(disp)) {
- tcg_out32(s, B | (disp & 0x3fffffc) | mask);
- } else {
- tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R0, (uintptr_t)target);
- tcg_out32(s, MTSPR | RS(TCG_REG_R0) | CTR);
- tcg_out32(s, BCCTR | BO_ALWAYS | mask);
- }
-}
-
-static void tcg_out_call1(TCGContext *s, tcg_insn_unit *target, int lk)
-{
-#ifdef _CALL_AIX
- tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_R2, (uintptr_t)target);
- tcg_out32(s, LWZ | RT(TCG_REG_R0) | RA(reg));
- tcg_out32(s, MTSPR | RA(TCG_REG_R0) | CTR);
- tcg_out32(s, LWZ | RT(TCG_REG_R2) | RA(reg) | 4);
- tcg_out32(s, BCCTR | BO_ALWAYS | lk);
-#else
- tcg_out_b(s, lk, target);
-#endif
-}
-
-static void tcg_out_call(TCGContext *s, tcg_insn_unit *target)
-{
- tcg_out_call1(s, target, LK);
-}
-
-#if defined(CONFIG_SOFTMMU)
-
-static void add_qemu_ldst_label (TCGContext *s,
- bool is_ld,
- TCGMemOp opc,
- int data_reg,
- int data_reg2,
- int addrlo_reg,
- int addrhi_reg,
- int mem_index,
- tcg_insn_unit *raddr,
- tcg_insn_unit *label_ptr)
-{
- TCGLabelQemuLdst *label = new_ldst_label(s);
-
- label->is_ld = is_ld;
- label->opc = opc;
- label->datalo_reg = data_reg;
- label->datahi_reg = data_reg2;
- label->addrlo_reg = addrlo_reg;
- label->addrhi_reg = addrhi_reg;
- label->mem_index = mem_index;
- label->raddr = raddr;
- label->label_ptr[0] = label_ptr;
-}
-
-/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
- * int mmu_idx, uintptr_t ra)
- */
-static void * const qemu_ld_helpers[16] = {
- [MO_UB] = helper_ret_ldub_mmu,
- [MO_LEUW] = helper_le_lduw_mmu,
- [MO_LEUL] = helper_le_ldul_mmu,
- [MO_LEQ] = helper_le_ldq_mmu,
- [MO_BEUW] = helper_be_lduw_mmu,
- [MO_BEUL] = helper_be_ldul_mmu,
- [MO_BEQ] = helper_be_ldq_mmu,
-};
-
-/* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr,
- * uintxx_t val, int mmu_idx, uintptr_t ra)
- */
-static void * const qemu_st_helpers[16] = {
- [MO_UB] = helper_ret_stb_mmu,
- [MO_LEUW] = helper_le_stw_mmu,
- [MO_LEUL] = helper_le_stl_mmu,
- [MO_LEQ] = helper_le_stq_mmu,
- [MO_BEUW] = helper_be_stw_mmu,
- [MO_BEUL] = helper_be_stl_mmu,
- [MO_BEQ] = helper_be_stq_mmu,
-};
-
-static tcg_insn_unit *ld_trampolines[16];
-static tcg_insn_unit *st_trampolines[16];
-
-/* Perform the TLB load and compare. Branches to the slow path, placing the
- address of the branch in *LABEL_PTR. Loads the addend of the TLB into R0.
- Clobbers R1 and R2. */
-
-static void tcg_out_tlb_check(TCGContext *s, TCGReg r0, TCGReg r1, TCGReg r2,
- TCGReg addrlo, TCGReg addrhi, TCGMemOp s_bits,
- int mem_index, int is_load,
- tcg_insn_unit **label_ptr)
-{
- int cmp_off =
- (is_load
- ? offsetof(CPUArchState, tlb_table[mem_index][0].addr_read)
- : offsetof(CPUArchState, tlb_table[mem_index][0].addr_write));
- int add_off = offsetof(CPUArchState, tlb_table[mem_index][0].addend);
- tcg_insn_unit retranst;
- TCGReg base = TCG_AREG0;
-
- /* Extract the page index, shifted into place for tlb index. */
- tcg_out32(s, (RLWINM
- | RA(r0)
- | RS(addrlo)
- | SH(32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
- | MB(32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
- | ME(31 - CPU_TLB_ENTRY_BITS)));
-
- /* Compensate for very large offsets. */
- if (add_off >= 0x8000) {
- /* Most target env are smaller than 32k; none are larger than 64k.
- Simplify the logic here merely to offset by 0x7ff0, giving us a
- range just shy of 64k. Check this assumption. */
- QEMU_BUILD_BUG_ON(offsetof(CPUArchState,
- tlb_table[NB_MMU_MODES - 1][1])
- > 0x7ff0 + 0x7fff);
- tcg_out32(s, ADDI | RT(r1) | RA(base) | 0x7ff0);
- base = r1;
- cmp_off -= 0x7ff0;
- add_off -= 0x7ff0;
- }
-
- /* Clear the non-page, non-alignment bits from the address. */
- tcg_out32(s, (RLWINM
- | RA(r2)
- | RS(addrlo)
- | SH(0)
- | MB((32 - s_bits) & 31)
- | ME(31 - TARGET_PAGE_BITS)));
-
- tcg_out32(s, ADD | RT(r0) | RA(r0) | RB(base));
- base = r0;
-
- /* Load the tlb comparator. */
- tcg_out32(s, LWZ | RT(r1) | RA(base) | (cmp_off & 0xffff));
-
- tcg_out32(s, CMP | BF(7) | RA(r2) | RB(r1));
-
- if (TARGET_LONG_BITS == 64) {
- tcg_out32(s, LWZ | RT(r1) | RA(base) | ((cmp_off + 4) & 0xffff));
- }
-
- /* Load the tlb addend for use on the fast path.
- Do this asap to minimize load delay. */
- tcg_out32(s, LWZ | RT(r0) | RA(base) | (add_off & 0xffff));
-
- if (TARGET_LONG_BITS == 64) {
- tcg_out32(s, CMP | BF(6) | RA(addrhi) | RB(r1));
- tcg_out32(s, CRAND | BT(7, CR_EQ) | BA(6, CR_EQ) | BB(7, CR_EQ));
- }
-
- /* Use a conditional branch-and-link so that we load a pointer to
- somewhere within the current opcode, for passing on to the helper.
- This address cannot be used for a tail call, but it's shorter
- than forming an address from scratch. */
- *label_ptr = s->code_ptr;
- retranst = *s->code_ptr & 0xfffc;
- tcg_out32(s, BC | BI(7, CR_EQ) | retranst | BO_COND_FALSE | LK);
-}
-#endif
-
-static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, bool is64)
-{
- TCGReg addrlo, datalo, datahi, rbase, addrhi __attribute__((unused));
- TCGMemOp opc, bswap;
-#ifdef CONFIG_SOFTMMU
- int mem_index;
- tcg_insn_unit *label_ptr;
-#endif
-
- datalo = *args++;
- datahi = (is64 ? *args++ : 0);
- addrlo = *args++;
- addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
- opc = *args++;
- bswap = opc & MO_BSWAP;
-
-#ifdef CONFIG_SOFTMMU
- mem_index = *args;
- tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo,
- addrhi, opc & MO_SIZE, mem_index, 0, &label_ptr);
- rbase = TCG_REG_R3;
-#else /* !CONFIG_SOFTMMU */
- rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
-#endif
-
- switch (opc & MO_SSIZE) {
- default:
- case MO_UB:
- tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo));
- break;
- case MO_SB:
- tcg_out32(s, LBZX | TAB(datalo, rbase, addrlo));
- tcg_out32(s, EXTSB | RA(datalo) | RS(datalo));
- break;
- case MO_UW:
- tcg_out32(s, (bswap ? LHBRX : LHZX) | TAB(datalo, rbase, addrlo));
- break;
- case MO_SW:
- if (bswap) {
- tcg_out32(s, LHBRX | TAB(datalo, rbase, addrlo));
- tcg_out32(s, EXTSH | RA(datalo) | RS(datalo));
- } else {
- tcg_out32(s, LHAX | TAB(datalo, rbase, addrlo));
- }
- break;
- case MO_UL:
- tcg_out32(s, (bswap ? LWBRX : LWZX) | TAB(datalo, rbase, addrlo));
- break;
- case MO_Q:
- if (bswap) {
- tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
- tcg_out32(s, LWBRX | TAB(datalo, rbase, addrlo));
- tcg_out32(s, LWBRX | TAB(datahi, rbase, TCG_REG_R0));
- } else if (rbase != 0) {
- tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
- tcg_out32(s, LWZX | TAB(datahi, rbase, addrlo));
- tcg_out32(s, LWZX | TAB(datalo, rbase, TCG_REG_R0));
- } else if (addrlo == datahi) {
- tcg_out32(s, LWZ | RT(datalo) | RA(addrlo) | 4);
- tcg_out32(s, LWZ | RT(datahi) | RA(addrlo));
- } else {
- tcg_out32(s, LWZ | RT(datahi) | RA(addrlo));
- tcg_out32(s, LWZ | RT(datalo) | RA(addrlo) | 4);
- }
- break;
- }
-#ifdef CONFIG_SOFTMMU
- add_qemu_ldst_label(s, true, opc, datalo, datahi, addrlo,
- addrhi, mem_index, s->code_ptr, label_ptr);
-#endif
-}
-
-static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, bool is64)
-{
- TCGReg addrlo, datalo, datahi, rbase, addrhi __attribute__((unused));
- TCGMemOp opc, bswap, s_bits;
-#ifdef CONFIG_SOFTMMU
- int mem_index;
- tcg_insn_unit *label_ptr;
-#endif
-
- datalo = *args++;
- datahi = (is64 ? *args++ : 0);
- addrlo = *args++;
- addrhi = (TARGET_LONG_BITS == 64 ? *args++ : 0);
- opc = *args++;
- bswap = opc & MO_BSWAP;
- s_bits = opc & MO_SIZE;
-
-#ifdef CONFIG_SOFTMMU
- mem_index = *args;
- tcg_out_tlb_check(s, TCG_REG_R3, TCG_REG_R4, TCG_REG_R0, addrlo,
- addrhi, s_bits, mem_index, 0, &label_ptr);
- rbase = TCG_REG_R3;
-#else /* !CONFIG_SOFTMMU */
- rbase = GUEST_BASE ? TCG_GUEST_BASE_REG : 0;
-#endif
-
- switch (s_bits) {
- case MO_8:
- tcg_out32(s, STBX | SAB(datalo, rbase, addrlo));
- break;
- case MO_16:
- tcg_out32(s, (bswap ? STHBRX : STHX) | SAB(datalo, rbase, addrlo));
- break;
- case MO_32:
- default:
- tcg_out32(s, (bswap ? STWBRX : STWX) | SAB(datalo, rbase, addrlo));
- break;
- case MO_64:
- if (bswap) {
- tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
- tcg_out32(s, STWBRX | SAB(datalo, rbase, addrlo));
- tcg_out32(s, STWBRX | SAB(datahi, rbase, TCG_REG_R0));
- } else if (rbase != 0) {
- tcg_out32(s, ADDI | RT(TCG_REG_R0) | RA(addrlo) | 4);
- tcg_out32(s, STWX | SAB(datahi, rbase, addrlo));
- tcg_out32(s, STWX | SAB(datalo, rbase, TCG_REG_R0));
- } else {
- tcg_out32(s, STW | RS(datahi) | RA(addrlo));
- tcg_out32(s, STW | RS(datalo) | RA(addrlo) | 4);
- }
- break;
- }
-
-#ifdef CONFIG_SOFTMMU
- add_qemu_ldst_label(s, false, opc, datalo, datahi, addrlo, addrhi,
- mem_index, s->code_ptr, label_ptr);
-#endif
-}
-
-#if defined(CONFIG_SOFTMMU)
-static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
-{
- TCGReg ir, datalo, datahi;
- TCGMemOp opc = l->opc;
-
- reloc_pc14(l->label_ptr[0], s->code_ptr);
-
- ir = TCG_REG_R4;
- if (TARGET_LONG_BITS == 32) {
- tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrlo_reg);
- } else {
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir |= 1;
-#endif
- tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrhi_reg);
- tcg_out_mov(s, TCG_TYPE_I32, ir++, l->addrlo_reg);
- }
- tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index);
- tcg_out32(s, MFSPR | RT(ir++) | LR);
- tcg_out_b(s, LK, ld_trampolines[opc & ~MO_SIGN]);
-
- datalo = l->datalo_reg;
- switch (opc & MO_SSIZE) {
- case MO_SB:
- tcg_out32(s, EXTSB | RA(datalo) | RS(TCG_REG_R3));
- break;
- case MO_SW:
- tcg_out32(s, EXTSH | RA(datalo) | RS(TCG_REG_R3));
- break;
- default:
- tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R3);
- break;
- case MO_Q:
- datahi = l->datahi_reg;
- if (datalo != TCG_REG_R3) {
- tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4);
- tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3);
- } else if (datahi != TCG_REG_R4) {
- tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3);
- tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R4);
- } else {
- tcg_out_mov(s, TCG_TYPE_I32, TCG_REG_R0, TCG_REG_R4);
- tcg_out_mov(s, TCG_TYPE_I32, datahi, TCG_REG_R3);
- tcg_out_mov(s, TCG_TYPE_I32, datalo, TCG_REG_R0);
- }
- break;
- }
- tcg_out_b(s, 0, l->raddr);
-}
-
-static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
-{
- TCGReg ir, datalo;
- TCGMemOp opc = l->opc;
-
- reloc_pc14(l->label_ptr[0], s->code_ptr);
-
- ir = TCG_REG_R4;
- if (TARGET_LONG_BITS == 32) {
- tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrlo_reg);
- } else {
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir |= 1;
-#endif
- tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrhi_reg);
- tcg_out_mov (s, TCG_TYPE_I32, ir++, l->addrlo_reg);
- }
-
- datalo = l->datalo_reg;
- switch (opc & MO_SIZE) {
- case MO_8:
- tcg_out32(s, (RLWINM | RA (ir) | RS (datalo)
- | SH (0) | MB (24) | ME (31)));
- break;
- case MO_16:
- tcg_out32(s, (RLWINM | RA (ir) | RS (datalo)
- | SH (0) | MB (16) | ME (31)));
- break;
- default:
- tcg_out_mov(s, TCG_TYPE_I32, ir, datalo);
- break;
- case MO_64:
-#ifdef TCG_TARGET_CALL_ALIGN_ARGS
- ir |= 1;
-#endif
- tcg_out_mov(s, TCG_TYPE_I32, ir++, l->datahi_reg);
- tcg_out_mov(s, TCG_TYPE_I32, ir, datalo);
- break;
- }
- ir++;
-
- tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index);
- tcg_out32(s, MFSPR | RT(ir++) | LR);
- tcg_out_b(s, LK, st_trampolines[opc]);
- tcg_out_b(s, 0, l->raddr);
-}
-#endif
-
-#ifdef CONFIG_SOFTMMU
-static void emit_ldst_trampoline(TCGContext *s, tcg_insn_unit *ptr)
-{
- tcg_out_mov(s, TCG_TYPE_PTR, TCG_REG_R3, TCG_AREG0);
- tcg_out_call1(s, ptr, 0);
-}
-#endif
-
-static void tcg_target_qemu_prologue (TCGContext *s)
-{
- int i, frame_size;
-
- frame_size = 0
- + LINKAGE_AREA_SIZE
- + TCG_STATIC_CALL_ARGS_SIZE
- + ARRAY_SIZE (tcg_target_callee_save_regs) * 4
- + CPU_TEMP_BUF_NLONGS * sizeof(long)
- ;
- frame_size = (frame_size + 15) & ~15;
-
- tcg_set_frame(s, TCG_REG_CALL_STACK, frame_size
- - CPU_TEMP_BUF_NLONGS * sizeof(long),
- CPU_TEMP_BUF_NLONGS * sizeof(long));
-
-#ifdef _CALL_AIX
- {
- uintptr_t addr;
-
- /* First emit adhoc function descriptor */
- addr = (uintptr_t)s->code_ptr + 12;
- tcg_out32(s, addr); /* entry point */
- tcg_out32(s, 0); /* toc */
- tcg_out32(s, 0); /* environment pointer */
- }
-#endif
- tcg_out32 (s, MFSPR | RT (0) | LR);
- tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff));
- for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
- tcg_out32 (s, (STW
- | RS (tcg_target_callee_save_regs[i])
- | RA (1)
- | (i * 4 + LINKAGE_AREA_SIZE +
TCG_STATIC_CALL_ARGS_SIZE)
- )
- );
- tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size + LR_OFFSET));
-
-#ifdef CONFIG_USE_GUEST_BASE
- if (GUEST_BASE) {
- tcg_out_movi (s, TCG_TYPE_I32, TCG_GUEST_BASE_REG, GUEST_BASE);
- tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
- }
-#endif
-
- tcg_out_mov (s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]);
- tcg_out32 (s, MTSPR | RS (tcg_target_call_iarg_regs[1]) | CTR);
- tcg_out32 (s, BCCTR | BO_ALWAYS);
- tb_ret_addr = s->code_ptr;
-
- for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
- tcg_out32 (s, (LWZ
- | RT (tcg_target_callee_save_regs[i])
- | RA (1)
- | (i * 4 + LINKAGE_AREA_SIZE +
TCG_STATIC_CALL_ARGS_SIZE)
- )
- );
- tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size + LR_OFFSET));
- tcg_out32 (s, MTSPR | RS (0) | LR);
- tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
- tcg_out32 (s, BCLR | BO_ALWAYS);
-
-#ifdef CONFIG_SOFTMMU
- for (i = 0; i < 16; ++i) {
- if (qemu_ld_helpers[i]) {
- ld_trampolines[i] = s->code_ptr;
- emit_ldst_trampoline(s, qemu_ld_helpers[i]);
- }
- if (qemu_st_helpers[i]) {
- st_trampolines[i] = s->code_ptr;
- emit_ldst_trampoline(s, qemu_st_helpers[i]);
- }
- }
-#endif
-}
-
-static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
- intptr_t arg2)
-{
- tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
-}
-
-static void tcg_out_st(TCGContext *s, TCGType type, TCGReg arg, TCGReg arg1,
- intptr_t arg2)
-{
- tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
-}
-
-static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si)
-{
- if (!si && rt == ra)
- return;
-
- if (si == (int16_t) si)
- tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff));
- else {
- uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15);
- tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h);
- tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff));
- }
-}
-
-static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
- int const_arg2, int cr)
-{
- int imm;
- uint32_t op;
-
- switch (cond) {
- case TCG_COND_EQ:
- case TCG_COND_NE:
- if (const_arg2) {
- if ((int16_t) arg2 == arg2) {
- op = CMPI;
- imm = 1;
- break;
- }
- else if ((uint16_t) arg2 == arg2) {
- op = CMPLI;
- imm = 1;
- break;
- }
- }
- op = CMPL;
- imm = 0;
- break;
-
- case TCG_COND_LT:
- case TCG_COND_GE:
- case TCG_COND_LE:
- case TCG_COND_GT:
- if (const_arg2) {
- if ((int16_t) arg2 == arg2) {
- op = CMPI;
- imm = 1;
- break;
- }
- }
- op = CMP;
- imm = 0;
- break;
-
- case TCG_COND_LTU:
- case TCG_COND_GEU:
- case TCG_COND_LEU:
- case TCG_COND_GTU:
- if (const_arg2) {
- if ((uint16_t) arg2 == arg2) {
- op = CMPLI;
- imm = 1;
- break;
- }
- }
- op = CMPL;
- imm = 0;
- break;
-
- default:
- tcg_abort ();
- }
- op |= BF (cr);
-
- if (imm)
- tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
- else {
- if (const_arg2) {
- tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
- tcg_out32 (s, op | RA (arg1) | RB (0));
- }
- else
- tcg_out32 (s, op | RA (arg1) | RB (arg2));
- }
-
-}
-
-static void tcg_out_bc(TCGContext *s, int bc, int label_index)
-{
- TCGLabel *l = &s->labels[label_index];
-
- if (l->has_value) {
- tcg_out32(s, bc | reloc_pc14_val(s->code_ptr, l->u.value_ptr));
- } else {
- /* Thanks to Andrzej Zaborowski */
- tcg_insn_unit retrans = *s->code_ptr & 0xfffc;
- tcg_out_reloc(s, s->code_ptr, R_PPC_REL14, label_index, 0);
- tcg_out32(s, bc | retrans);
- }
-}
-
-static void tcg_out_cr7eq_from_cond (TCGContext *s, const TCGArg *args,
- const int *const_args)
-{
- TCGCond cond = args[4];
- int op;
- struct { int bit1; int bit2; int cond2; } bits[] = {
- [TCG_COND_LT ] = { CR_LT, CR_LT, TCG_COND_LT },
- [TCG_COND_LE ] = { CR_LT, CR_GT, TCG_COND_LT },
- [TCG_COND_GT ] = { CR_GT, CR_GT, TCG_COND_GT },
- [TCG_COND_GE ] = { CR_GT, CR_LT, TCG_COND_GT },
- [TCG_COND_LTU] = { CR_LT, CR_LT, TCG_COND_LTU },
- [TCG_COND_LEU] = { CR_LT, CR_GT, TCG_COND_LTU },
- [TCG_COND_GTU] = { CR_GT, CR_GT, TCG_COND_GTU },
- [TCG_COND_GEU] = { CR_GT, CR_LT, TCG_COND_GTU },
- }, *b = &bits[cond];
-
- switch (cond) {
- case TCG_COND_EQ:
- case TCG_COND_NE:
- op = (cond == TCG_COND_EQ) ? CRAND : CRNAND;
- tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6);
- tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7);
- tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
- break;
- case TCG_COND_LT:
- case TCG_COND_LE:
- case TCG_COND_GT:
- case TCG_COND_GE:
- case TCG_COND_LTU:
- case TCG_COND_LEU:
- case TCG_COND_GTU:
- case TCG_COND_GEU:
- op = (b->bit1 != b->bit2) ? CRANDC : CRAND;
- tcg_out_cmp (s, b->cond2, args[1], args[3], const_args[3], 5);
- tcg_out_cmp (s, tcg_unsigned_cond (cond), args[0], args[2],
- const_args[2], 7);
- tcg_out32 (s, op | BT (7, CR_EQ) | BA (5, CR_EQ) | BB (7, b->bit2));
- tcg_out32 (s, CROR | BT (7, CR_EQ) | BA (5, b->bit1) | BB (7, CR_EQ));
- break;
- default:
- tcg_abort();
- }
-}
-
-static void tcg_out_setcond (TCGContext *s, TCGCond cond, TCGArg arg0,
- TCGArg arg1, TCGArg arg2, int const_arg2)
-{
- int crop, sh, arg;
-
- switch (cond) {
- case TCG_COND_EQ:
- if (const_arg2) {
- if (!arg2) {
- arg = arg1;
- }
- else {
- arg = 0;
- if ((uint16_t) arg2 == arg2) {
- tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
- }
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
- tcg_out32 (s, XOR | SAB (arg1, 0, 0));
- }
- }
- }
- else {
- arg = 0;
- tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
- }
- tcg_out32 (s, CNTLZW | RS (arg) | RA (0));
- tcg_out32 (s, (RLWINM
- | RA (arg0)
- | RS (0)
- | SH (27)
- | MB (5)
- | ME (31)
- )
- );
- break;
-
- case TCG_COND_NE:
- if (const_arg2) {
- if (!arg2) {
- arg = arg1;
- }
- else {
- arg = 0;
- if ((uint16_t) arg2 == arg2) {
- tcg_out32 (s, XORI | RS (arg1) | RA (0) | arg2);
- }
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
- tcg_out32 (s, XOR | SAB (arg1, 0, 0));
- }
- }
- }
- else {
- arg = 0;
- tcg_out32 (s, XOR | SAB (arg1, 0, arg2));
- }
-
- if (arg == arg1 && arg1 == arg0) {
- tcg_out32 (s, ADDIC | RT (0) | RA (arg) | 0xffff);
- tcg_out32 (s, SUBFE | TAB (arg0, 0, arg));
- }
- else {
- tcg_out32 (s, ADDIC | RT (arg0) | RA (arg) | 0xffff);
- tcg_out32 (s, SUBFE | TAB (arg0, arg0, arg));
- }
- break;
-
- case TCG_COND_GT:
- case TCG_COND_GTU:
- sh = 30;
- crop = 0;
- goto crtest;
-
- case TCG_COND_LT:
- case TCG_COND_LTU:
- sh = 29;
- crop = 0;
- goto crtest;
-
- case TCG_COND_GE:
- case TCG_COND_GEU:
- sh = 31;
- crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_LT) | BB (7, CR_LT);
- goto crtest;
-
- case TCG_COND_LE:
- case TCG_COND_LEU:
- sh = 31;
- crop = CRNOR | BT (7, CR_EQ) | BA (7, CR_GT) | BB (7, CR_GT);
- crtest:
- tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
- if (crop) tcg_out32 (s, crop);
- tcg_out32 (s, MFCR | RT (0));
- tcg_out32 (s, (RLWINM
- | RA (arg0)
- | RS (0)
- | SH (sh)
- | MB (31)
- | ME (31)
- )
- );
- break;
-
- default:
- tcg_abort ();
- }
-}
-
-static void tcg_out_setcond2 (TCGContext *s, const TCGArg *args,
- const int *const_args)
-{
- tcg_out_cr7eq_from_cond (s, args + 1, const_args + 1);
- tcg_out32 (s, MFCR | RT (0));
- tcg_out32 (s, (RLWINM
- | RA (args[0])
- | RS (0)
- | SH (31)
- | MB (31)
- | ME (31)
- )
- );
-}
-
-static void tcg_out_movcond (TCGContext *s, TCGCond cond,
- TCGArg dest,
- TCGArg c1, TCGArg c2,
- TCGArg v1, TCGArg v2,
- int const_c2)
-{
- tcg_out_cmp (s, cond, c1, c2, const_c2, 7);
-
- if (1) {
- /* At least here on 7747A bit twiddling hacks are outperformed
- by jumpy code (the testing was not scientific) */
- if (dest == v2) {
- cond = tcg_invert_cond (cond);
- v2 = v1;
- }
- else {
- if (dest != v1) {
- tcg_out_mov (s, TCG_TYPE_I32, dest, v1);
- }
- }
- /* Branch forward over one insn */
- tcg_out32 (s, tcg_to_bc[cond] | 8);
- tcg_out_mov (s, TCG_TYPE_I32, dest, v2);
- }
- else {
- /* isel version, "if (1)" above should be replaced once a way
- to figure out availability of isel on the underlying
- hardware is found */
- int tab, bc;
-
- switch (cond) {
- case TCG_COND_EQ:
- tab = TAB (dest, v1, v2);
- bc = CR_EQ;
- break;
- case TCG_COND_NE:
- tab = TAB (dest, v2, v1);
- bc = CR_EQ;
- break;
- case TCG_COND_LTU:
- case TCG_COND_LT:
- tab = TAB (dest, v1, v2);
- bc = CR_LT;
- break;
- case TCG_COND_GEU:
- case TCG_COND_GE:
- tab = TAB (dest, v2, v1);
- bc = CR_LT;
- break;
- case TCG_COND_LEU:
- case TCG_COND_LE:
- tab = TAB (dest, v2, v1);
- bc = CR_GT;
- break;
- case TCG_COND_GTU:
- case TCG_COND_GT:
- tab = TAB (dest, v1, v2);
- bc = CR_GT;
- break;
- default:
- tcg_abort ();
- }
- tcg_out32 (s, ISEL | tab | ((bc + 28) << 6));
- }
-}
-
-static void tcg_out_brcond (TCGContext *s, TCGCond cond,
- TCGArg arg1, TCGArg arg2, int const_arg2,
- int label_index)
-{
- tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
- tcg_out_bc (s, tcg_to_bc[cond], label_index);
-}
-
-/* XXX: we implement it at the target level to avoid having to
- handle cross basic blocks temporaries */
-static void tcg_out_brcond2 (TCGContext *s, const TCGArg *args,
- const int *const_args)
-{
- tcg_out_cr7eq_from_cond (s, args, const_args);
- tcg_out_bc (s, (BC | BI (7, CR_EQ) | BO_COND_TRUE), args[5]);
-}
-
-void ppc_tb_set_jmp_target (uintptr_t jmp_addr, uintptr_t addr)
-{
- uint32_t *ptr;
- long disp = addr - jmp_addr;
- unsigned long patch_size;
-
- ptr = (uint32_t *)jmp_addr;
-
- if ((disp << 6) >> 6 != disp) {
- ptr[0] = 0x3c000000 | (addr >> 16); /* lis 0,address@hidden */
- ptr[1] = 0x60000000 | (addr & 0xffff); /* la 0,address@hidden(0) */
- ptr[2] = 0x7c0903a6; /* mtctr 0 */
- ptr[3] = 0x4e800420; /* brctr */
- patch_size = 16;
- } else {
- /* patch the branch destination */
- if (disp != 16) {
- *ptr = 0x48000000 | (disp & 0x03fffffc); /* b disp */
- patch_size = 4;
- } else {
- ptr[0] = 0x60000000; /* nop */
- ptr[1] = 0x60000000;
- ptr[2] = 0x60000000;
- ptr[3] = 0x60000000;
- patch_size = 16;
- }
- }
- /* flush icache */
- flush_icache_range(jmp_addr, jmp_addr + patch_size);
-}
-
-static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
- const int *const_args)
-{
- switch (opc) {
- case INDEX_op_exit_tb:
- tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_R3, args[0]);
- tcg_out_b(s, 0, tb_ret_addr);
- break;
- case INDEX_op_goto_tb:
- if (s->tb_jmp_offset) {
- /* direct jump method */
- s->tb_jmp_offset[args[0]] = tcg_current_code_size(s);
- s->code_ptr += 4;
- } else {
- tcg_abort ();
- }
- s->tb_next_offset[args[0]] = tcg_current_code_size(s);
- break;
- case INDEX_op_br:
- {
- TCGLabel *l = &s->labels[args[0]];
-
- if (l->has_value) {
- tcg_out_b(s, 0, l->u.value_ptr);
- } else {
- /* Thanks to Andrzej Zaborowski */
- tcg_insn_unit retrans = *s->code_ptr & 0x3fffffc;
- tcg_out_reloc(s, s->code_ptr, R_PPC_REL24, args[0], 0);
- tcg_out32(s, B | retrans);
- }
- }
- break;
- case INDEX_op_ld8u_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
- break;
- case INDEX_op_ld8s_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
- tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0]));
- break;
- case INDEX_op_ld16u_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
- break;
- case INDEX_op_ld16s_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
- break;
- case INDEX_op_ld_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
- break;
- case INDEX_op_st8_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
- break;
- case INDEX_op_st16_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
- break;
- case INDEX_op_st_i32:
- tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
- break;
-
- case INDEX_op_add_i32:
- if (const_args[2])
- ppc_addi (s, args[0], args[1], args[2]);
- else
- tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
- break;
- case INDEX_op_sub_i32:
- if (const_args[2])
- ppc_addi (s, args[0], args[1], -args[2]);
- else
- tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
- break;
-
- case INDEX_op_and_i32:
- if (const_args[2]) {
- uint32_t c;
-
- c = args[2];
-
- if (!c) {
- tcg_out_movi (s, TCG_TYPE_I32, args[0], 0);
- break;
- }
-#ifdef __PPU__
- uint32_t t, n;
- int mb, me;
-
- n = c ^ -(c & 1);
- t = n + (n & -n);
-
- if ((t & (t - 1)) == 0) {
- int lzc, tzc;
-
- if ((c & 0x80000001) == 0x80000001) {
- lzc = clz32 (n);
- tzc = ctz32 (n);
-
- mb = 32 - tzc;
- me = lzc - 1;
- }
- else {
- lzc = clz32 (c);
- tzc = ctz32 (c);
-
- mb = lzc;
- me = 31 - tzc;
- }
-
- tcg_out32 (s, (RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (0)
- | MB (mb)
- | ME (me)
- )
- );
- }
- else
-#endif /* !__PPU__ */
- {
- if ((c & 0xffff) == c)
- tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) | c);
- else if ((c & 0xffff0000) == c)
- tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
- | ((c >> 16) & 0xffff));
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, c);
- tcg_out32 (s, AND | SAB (args[1], args[0], 0));
- }
- }
- }
- else
- tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_or_i32:
- if (const_args[2]) {
- if (args[2] & 0xffff) {
- tcg_out32 (s, ORI | RS (args[1]) | RA (args[0])
- | (args[2] & 0xffff));
- if (args[2] >> 16)
- tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0])
- | ((args[2] >> 16) & 0xffff));
- }
- else {
- tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0])
- | ((args[2] >> 16) & 0xffff));
- }
- }
- else
- tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_xor_i32:
- if (const_args[2]) {
- if ((args[2] & 0xffff) == args[2])
- tcg_out32 (s, XORI | RS (args[1]) | RA (args[0])
- | (args[2] & 0xffff));
- else if ((args[2] & 0xffff0000) == args[2])
- tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0])
- | ((args[2] >> 16) & 0xffff));
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
- tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
- }
- }
- else
- tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_andc_i32:
- tcg_out32 (s, ANDC | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_orc_i32:
- tcg_out32 (s, ORC | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_eqv_i32:
- tcg_out32 (s, EQV | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_nand_i32:
- tcg_out32 (s, NAND | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_nor_i32:
- tcg_out32 (s, NOR | SAB (args[1], args[0], args[2]));
- break;
-
- case INDEX_op_mul_i32:
- if (const_args[2]) {
- if (args[2] == (int16_t) args[2])
- tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1])
- | (args[2] & 0xffff));
- else {
- tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
- tcg_out32 (s, MULLW | TAB (args[0], args[1], 0));
- }
- }
- else
- tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2]));
- break;
-
- case INDEX_op_div_i32:
- tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2]));
- break;
-
- case INDEX_op_divu_i32:
- tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2]));
- break;
-
- case INDEX_op_mulu2_i32:
- if (args[0] == args[2] || args[0] == args[3]) {
- tcg_out32 (s, MULLW | TAB (0, args[2], args[3]));
- tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
- tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
- }
- else {
- tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3]));
- tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
- }
- break;
-
- case INDEX_op_shl_i32:
- if (const_args[2]) {
- tcg_out32 (s, (RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (args[2])
- | MB (0)
- | ME (31 - args[2])
- )
- );
- }
- else
- tcg_out32 (s, SLW | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_shr_i32:
- if (const_args[2]) {
- tcg_out32 (s, (RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (32 - args[2])
- | MB (args[2])
- | ME (31)
- )
- );
- }
- else
- tcg_out32 (s, SRW | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_sar_i32:
- if (const_args[2])
- tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2]));
- else
- tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
- break;
- case INDEX_op_rotl_i32:
- {
- int op = 0
- | RA (args[0])
- | RS (args[1])
- | MB (0)
- | ME (31)
- | (const_args[2] ? RLWINM | SH (args[2])
- : RLWNM | RB (args[2]))
- ;
- tcg_out32 (s, op);
- }
- break;
- case INDEX_op_rotr_i32:
- if (const_args[2]) {
- if (!args[2]) {
- tcg_out_mov (s, TCG_TYPE_I32, args[0], args[1]);
- }
- else {
- tcg_out32 (s, RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (32 - args[2])
- | MB (0)
- | ME (31)
- );
- }
- }
- else {
- tcg_out32 (s, SUBFIC | RT (0) | RA (args[2]) | 32);
- tcg_out32 (s, RLWNM
- | RA (args[0])
- | RS (args[1])
- | RB (0)
- | MB (0)
- | ME (31)
- );
- }
- break;
-
- case INDEX_op_add2_i32:
- if (args[0] == args[3] || args[0] == args[5]) {
- tcg_out32 (s, ADDC | TAB (0, args[2], args[4]));
- tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
- tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
- }
- else {
- tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4]));
- tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
- }
- break;
- case INDEX_op_sub2_i32:
- if (args[0] == args[3] || args[0] == args[5]) {
- tcg_out32 (s, SUBFC | TAB (0, args[4], args[2]));
- tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
- tcg_out_mov (s, TCG_TYPE_I32, args[0], 0);
- }
- else {
- tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2]));
- tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
- }
- break;
-
- case INDEX_op_brcond_i32:
- /*
- args[0] = r0
- args[1] = r1
- args[2] = cond
- args[3] = r1 is const
- args[4] = label_index
- */
- tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]);
- break;
- case INDEX_op_brcond2_i32:
- tcg_out_brcond2(s, args, const_args);
- break;
-
- case INDEX_op_neg_i32:
- tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
- break;
-
- case INDEX_op_not_i32:
- tcg_out32 (s, NOR | SAB (args[1], args[0], args[1]));
- break;
-
- case INDEX_op_qemu_ld_i32:
- tcg_out_qemu_ld(s, args, 0);
- break;
- case INDEX_op_qemu_ld_i64:
- tcg_out_qemu_ld(s, args, 1);
- break;
- case INDEX_op_qemu_st_i32:
- tcg_out_qemu_st(s, args, 0);
- break;
- case INDEX_op_qemu_st_i64:
- tcg_out_qemu_st(s, args, 1);
- break;
-
- case INDEX_op_ext8s_i32:
- tcg_out32 (s, EXTSB | RS (args[1]) | RA (args[0]));
- break;
- case INDEX_op_ext8u_i32:
- tcg_out32 (s, RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (0)
- | MB (24)
- | ME (31)
- );
- break;
- case INDEX_op_ext16s_i32:
- tcg_out32 (s, EXTSH | RS (args[1]) | RA (args[0]));
- break;
- case INDEX_op_ext16u_i32:
- tcg_out32 (s, RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (0)
- | MB (16)
- | ME (31)
- );
- break;
-
- case INDEX_op_setcond_i32:
- tcg_out_setcond (s, args[3], args[0], args[1], args[2], const_args[2]);
- break;
- case INDEX_op_setcond2_i32:
- tcg_out_setcond2 (s, args, const_args);
- break;
-
- case INDEX_op_bswap16_i32:
- /* Stolen from gcc's builtin_bswap16 */
-
- /* a1 = abcd */
-
- /* r0 = (a1 << 8) & 0xff00 # 00d0 */
- tcg_out32 (s, RLWINM
- | RA (0)
- | RS (args[1])
- | SH (8)
- | MB (16)
- | ME (23)
- );
-
- /* a0 = rotate_left (a1, 24) & 0xff # 000c */
- tcg_out32 (s, RLWINM
- | RA (args[0])
- | RS (args[1])
- | SH (24)
- | MB (24)
- | ME (31)
- );
-
- /* a0 = a0 | r0 # 00dc */
- tcg_out32 (s, OR | SAB (0, args[0], args[0]));
- break;
-
- case INDEX_op_bswap32_i32:
- /* Stolen from gcc's builtin_bswap32 */
- {
- int a0 = args[0];
-
- /* a1 = args[1] # abcd */
-
- if (a0 == args[1]) {
- a0 = 0;
- }
-
- /* a0 = rotate_left (a1, 8) # bcda */
- tcg_out32 (s, RLWINM
- | RA (a0)
- | RS (args[1])
- | SH (8)
- | MB (0)
- | ME (31)
- );
-
- /* a0 = (a0 & ~0xff000000) | ((a1 << 24) & 0xff000000) # dcda */
- tcg_out32 (s, RLWIMI
- | RA (a0)
- | RS (args[1])
- | SH (24)
- | MB (0)
- | ME (7)
- );
-
- /* a0 = (a0 & ~0x0000ff00) | ((a1 << 24) & 0x0000ff00) # dcba */
- tcg_out32 (s, RLWIMI
- | RA (a0)
- | RS (args[1])
- | SH (24)
- | MB (16)
- | ME (23)
- );
-
- if (!a0) {
- tcg_out_mov (s, TCG_TYPE_I32, args[0], a0);
- }
- }
- break;
-
- case INDEX_op_deposit_i32:
- tcg_out32 (s, RLWIMI
- | RA (args[0])
- | RS (args[2])
- | SH (args[3])
- | MB (32 - args[3] - args[4])
- | ME (31 - args[3])
- );
- break;
-
- case INDEX_op_movcond_i32:
- tcg_out_movcond (s, args[5], args[0],
- args[1], args[2],
- args[3], args[4],
- const_args[2]);
- break;
-
- case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
- case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */
- case INDEX_op_call: /* Always emitted via tcg_out_call. */
- default:
- tcg_abort();
- }
-}
-
-static const TCGTargetOpDef ppc_op_defs[] = {
- { INDEX_op_exit_tb, { } },
- { INDEX_op_goto_tb, { } },
- { INDEX_op_br, { } },
-
- { INDEX_op_ld8u_i32, { "r", "r" } },
- { INDEX_op_ld8s_i32, { "r", "r" } },
- { INDEX_op_ld16u_i32, { "r", "r" } },
- { INDEX_op_ld16s_i32, { "r", "r" } },
- { INDEX_op_ld_i32, { "r", "r" } },
- { INDEX_op_st8_i32, { "r", "r" } },
- { INDEX_op_st16_i32, { "r", "r" } },
- { INDEX_op_st_i32, { "r", "r" } },
-
- { INDEX_op_add_i32, { "r", "r", "ri" } },
- { INDEX_op_mul_i32, { "r", "r", "ri" } },
- { INDEX_op_div_i32, { "r", "r", "r" } },
- { INDEX_op_divu_i32, { "r", "r", "r" } },
- { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } },
- { INDEX_op_sub_i32, { "r", "r", "ri" } },
- { INDEX_op_and_i32, { "r", "r", "ri" } },
- { INDEX_op_or_i32, { "r", "r", "ri" } },
- { INDEX_op_xor_i32, { "r", "r", "ri" } },
-
- { INDEX_op_shl_i32, { "r", "r", "ri" } },
- { INDEX_op_shr_i32, { "r", "r", "ri" } },
- { INDEX_op_sar_i32, { "r", "r", "ri" } },
-
- { INDEX_op_rotl_i32, { "r", "r", "ri" } },
- { INDEX_op_rotr_i32, { "r", "r", "ri" } },
-
- { INDEX_op_brcond_i32, { "r", "ri" } },
-
- { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } },
- { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } },
- { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } },
-
- { INDEX_op_neg_i32, { "r", "r" } },
- { INDEX_op_not_i32, { "r", "r" } },
-
- { INDEX_op_andc_i32, { "r", "r", "r" } },
- { INDEX_op_orc_i32, { "r", "r", "r" } },
- { INDEX_op_eqv_i32, { "r", "r", "r" } },
- { INDEX_op_nand_i32, { "r", "r", "r" } },
- { INDEX_op_nor_i32, { "r", "r", "r" } },
-
- { INDEX_op_setcond_i32, { "r", "r", "ri" } },
- { INDEX_op_setcond2_i32, { "r", "r", "r", "ri", "ri" } },
-
- { INDEX_op_bswap16_i32, { "r", "r" } },
- { INDEX_op_bswap32_i32, { "r", "r" } },
-
-#if TARGET_LONG_BITS == 32
- { INDEX_op_qemu_ld_i32, { "r", "L" } },
- { INDEX_op_qemu_ld_i64, { "L", "L", "L" } },
- { INDEX_op_qemu_st_i32, { "K", "K" } },
- { INDEX_op_qemu_st_i64, { "M", "M", "M" } },
-#else
- { INDEX_op_qemu_ld_i32, { "r", "L", "L" } },
- { INDEX_op_qemu_ld_i64, { "L", "L", "L", "L" } },
- { INDEX_op_qemu_st_i32, { "K", "K", "K" } },
- { INDEX_op_qemu_st_i64, { "M", "M", "M", "M" } },
-#endif
-
- { INDEX_op_ext8s_i32, { "r", "r" } },
- { INDEX_op_ext8u_i32, { "r", "r" } },
- { INDEX_op_ext16s_i32, { "r", "r" } },
- { INDEX_op_ext16u_i32, { "r", "r" } },
-
- { INDEX_op_deposit_i32, { "r", "0", "r" } },
- { INDEX_op_movcond_i32, { "r", "r", "ri", "r", "r" } },
-
- { -1 },
-};
-
-static void tcg_target_init(TCGContext *s)
-{
- tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
- tcg_regset_set32(tcg_target_call_clobber_regs, 0,
- (1 << TCG_REG_R0) |
-#ifdef TCG_TARGET_CALL_DARWIN
- (1 << TCG_REG_R2) |
-#endif
- (1 << TCG_REG_R3) |
- (1 << TCG_REG_R4) |
- (1 << TCG_REG_R5) |
- (1 << TCG_REG_R6) |
- (1 << TCG_REG_R7) |
- (1 << TCG_REG_R8) |
- (1 << TCG_REG_R9) |
- (1 << TCG_REG_R10) |
- (1 << TCG_REG_R11) |
- (1 << TCG_REG_R12)
- );
-
- tcg_regset_clear(s->reserved_regs);
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0);
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);
-#ifndef TCG_TARGET_CALL_DARWIN
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
-#endif
-#ifdef _CALL_SYSV
- tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);
-#endif
-
- tcg_add_target_add_op_defs(ppc_op_defs);
-}
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
deleted file mode 100644
index dd7e557..0000000
--- a/tcg/ppc/tcg-target.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Tiny Code Generator for QEMU
- *
- * Copyright (c) 2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef TCG_TARGET_PPC
-#define TCG_TARGET_PPC 1
-
-#define TCG_TARGET_NB_REGS 32
-#define TCG_TARGET_INSN_UNIT_SIZE 4
-
-typedef enum {
- TCG_REG_R0 = 0,
- TCG_REG_R1,
- TCG_REG_R2,
- TCG_REG_R3,
- TCG_REG_R4,
- TCG_REG_R5,
- TCG_REG_R6,
- TCG_REG_R7,
- TCG_REG_R8,
- TCG_REG_R9,
- TCG_REG_R10,
- TCG_REG_R11,
- TCG_REG_R12,
- TCG_REG_R13,
- TCG_REG_R14,
- TCG_REG_R15,
- TCG_REG_R16,
- TCG_REG_R17,
- TCG_REG_R18,
- TCG_REG_R19,
- TCG_REG_R20,
- TCG_REG_R21,
- TCG_REG_R22,
- TCG_REG_R23,
- TCG_REG_R24,
- TCG_REG_R25,
- TCG_REG_R26,
- TCG_REG_R27,
- TCG_REG_R28,
- TCG_REG_R29,
- TCG_REG_R30,
- TCG_REG_R31
-} TCGReg;
-
-/* used for function call generation */
-#define TCG_REG_CALL_STACK TCG_REG_R1
-#define TCG_TARGET_STACK_ALIGN 16
-#if defined _CALL_DARWIN || defined __APPLE__
-#define TCG_TARGET_CALL_STACK_OFFSET 24
-#elif defined _CALL_AIX
-#define TCG_TARGET_CALL_STACK_OFFSET 52
-#elif defined _CALL_SYSV
-#define TCG_TARGET_CALL_ALIGN_ARGS 1
-#define TCG_TARGET_CALL_STACK_OFFSET 8
-#else
-#error Unsupported system
-#endif
-
-/* optional instructions */
-#define TCG_TARGET_HAS_div_i32 1
-#define TCG_TARGET_HAS_rem_i32 0
-#define TCG_TARGET_HAS_rot_i32 1
-#define TCG_TARGET_HAS_ext8s_i32 1
-#define TCG_TARGET_HAS_ext16s_i32 1
-#define TCG_TARGET_HAS_ext8u_i32 1
-#define TCG_TARGET_HAS_ext16u_i32 1
-#define TCG_TARGET_HAS_bswap16_i32 1
-#define TCG_TARGET_HAS_bswap32_i32 1
-#define TCG_TARGET_HAS_not_i32 1
-#define TCG_TARGET_HAS_neg_i32 1
-#define TCG_TARGET_HAS_andc_i32 1
-#define TCG_TARGET_HAS_orc_i32 1
-#define TCG_TARGET_HAS_eqv_i32 1
-#define TCG_TARGET_HAS_nand_i32 1
-#define TCG_TARGET_HAS_nor_i32 1
-#define TCG_TARGET_HAS_deposit_i32 1
-#define TCG_TARGET_HAS_movcond_i32 1
-#define TCG_TARGET_HAS_mulu2_i32 1
-#define TCG_TARGET_HAS_muls2_i32 0
-#define TCG_TARGET_HAS_muluh_i32 0
-#define TCG_TARGET_HAS_mulsh_i32 0
-
-#define TCG_TARGET_HAS_new_ldst 1
-
-#define TCG_AREG0 TCG_REG_R27
-
-#define tcg_qemu_tb_exec(env, tb_ptr) \
- ((uintptr_t __attribute__ ((longcall)) \
- (*)(void *, void *))tcg_ctx.code_gen_prologue)(env, tb_ptr)
-
-#endif
--
1.9.3
- [Qemu-devel] [PATCH v2 11/26] tcg-ppc64: Support the ppc64 elfv2 ABI, (continued)
- [Qemu-devel] [PATCH v2 11/26] tcg-ppc64: Support the ppc64 elfv2 ABI, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 12/26] tcg-ppc64: Adjust tcg_out_call for ELFv2, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 13/26] tcg-ppc64: Merge 32-bit ABIs into the prologue / frame code, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 14/26] tcg-ppc64: Fix sub2 implementation, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 15/26] tcg-ppc64: Begin merging ppc32 with ppc64, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 16/26] tcg-ppc64: Merge ppc32 brcond2, setcond2, muluh, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 17/26] tcg-ppc64: Merge ppc32 qemu_ld/st, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 18/26] tcg-ppc64: Merge ppc32 register usage, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 19/26] tcg-ppc64: Support mulsh_i32, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 20/26] tcg-ppc64: Merge ppc32 shifts, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 21/26] tcg-ppc: Remove the backend,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 22/26] tcg-ppc: Rename the tcg/ppc64 backend, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 23/26] qemu/osdep: Remove the need for qemu_init_auxval, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 24/26] tcg-ppc: Merge cache-utils into the backend, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 26/26] tcg-ppc: Streamline USE_DIRECT_JUMP, Richard Henderson, 2014/05/27
- [Qemu-devel] [PATCH v2 25/26] tcg-ppc64: Use the return address as a base pointer, Richard Henderson, 2014/05/27
- Re: [Qemu-devel] [PATCH v2 00/26] Merge ppc32/ppc64 tcg backends, Tom Musta, 2014/05/27