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[Qemu-devel] [5787] target-ppc: convert altivec load/store to TCG
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From: |
Aurelien Jarno |
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Subject: |
[Qemu-devel] [5787] target-ppc: convert altivec load/store to TCG |
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Date: |
Mon, 24 Nov 2008 08:47:21 +0000 |
Revision: 5787
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5787
Author: aurel32
Date: 2008-11-24 08:47:21 +0000 (Mon, 24 Nov 2008)
Log Message:
-----------
target-ppc: convert altivec load/store to TCG
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-ppc/cpu.h
trunk/target-ppc/exec.h
trunk/target-ppc/op_mem.h
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/cpu.h
===================================================================
--- trunk/target-ppc/cpu.h 2008-11-23 16:30:50 UTC (rev 5786)
+++ trunk/target-ppc/cpu.h 2008-11-24 08:47:21 UTC (rev 5787)
@@ -542,7 +542,6 @@
*/
uint64_t t0_64, t1_64, t2_64;
#endif
- ppc_avr_t avr0, avr1, avr2;
/* general purpose registers */
target_ulong gpr[32];
Modified: trunk/target-ppc/exec.h
===================================================================
--- trunk/target-ppc/exec.h 2008-11-23 16:30:50 UTC (rev 5786)
+++ trunk/target-ppc/exec.h 2008-11-24 08:47:21 UTC (rev 5787)
@@ -54,10 +54,6 @@
#define T1_64 T1
#define T2_64 T2
#endif
-/* Provision for Altivec */
-#define AVR0 (env->avr0)
-#define AVR1 (env->avr1)
-#define AVR2 (env->avr2)
#define FT0 (env->ft0)
#define FT1 (env->ft1)
Modified: trunk/target-ppc/op_mem.h
===================================================================
--- trunk/target-ppc/op_mem.h 2008-11-23 16:30:50 UTC (rev 5786)
+++ trunk/target-ppc/op_mem.h 2008-11-24 08:47:21 UTC (rev 5787)
@@ -642,66 +642,6 @@
RETURN();
}
-/* Altivec vector extension */
-#if defined(WORDS_BIGENDIAN)
-#define VR_DWORD0 0
-#define VR_DWORD1 1
-#else
-#define VR_DWORD0 1
-#define VR_DWORD1 0
-#endif
-void OPPROTO glue(op_vr_lvx, MEMSUFFIX) (void)
-{
- AVR0.u64[VR_DWORD0] = glue(ldu64, MEMSUFFIX)((uint32_t)T0);
- AVR0.u64[VR_DWORD1] = glue(ldu64, MEMSUFFIX)((uint32_t)T0 + 8);
-}
-
-void OPPROTO glue(op_vr_lvx_le, MEMSUFFIX) (void)
-{
- AVR0.u64[VR_DWORD1] = glue(ldu64r, MEMSUFFIX)((uint32_t)T0);
- AVR0.u64[VR_DWORD0] = glue(ldu64r, MEMSUFFIX)((uint32_t)T0 + 8);
-}
-
-void OPPROTO glue(op_vr_stvx, MEMSUFFIX) (void)
-{
- glue(st64, MEMSUFFIX)((uint32_t)T0, AVR0.u64[VR_DWORD0]);
- glue(st64, MEMSUFFIX)((uint32_t)T0 + 8, AVR0.u64[VR_DWORD1]);
-}
-
-void OPPROTO glue(op_vr_stvx_le, MEMSUFFIX) (void)
-{
- glue(st64r, MEMSUFFIX)((uint32_t)T0, AVR0.u64[VR_DWORD1]);
- glue(st64r, MEMSUFFIX)((uint32_t)T0 + 8, AVR0.u64[VR_DWORD0]);
-}
-
-#if defined(TARGET_PPC64)
-void OPPROTO glue(op_vr_lvx_64, MEMSUFFIX) (void)
-{
- AVR0.u64[VR_DWORD0] = glue(ldu64, MEMSUFFIX)((uint64_t)T0);
- AVR0.u64[VR_DWORD1] = glue(ldu64, MEMSUFFIX)((uint64_t)T0 + 8);
-}
-
-void OPPROTO glue(op_vr_lvx_le_64, MEMSUFFIX) (void)
-{
- AVR0.u64[VR_DWORD1] = glue(ldu64r, MEMSUFFIX)((uint64_t)T0);
- AVR0.u64[VR_DWORD0] = glue(ldu64r, MEMSUFFIX)((uint64_t)T0 + 8);
-}
-
-void OPPROTO glue(op_vr_stvx_64, MEMSUFFIX) (void)
-{
- glue(st64, MEMSUFFIX)((uint64_t)T0, AVR0.u64[VR_DWORD0]);
- glue(st64, MEMSUFFIX)((uint64_t)T0 + 8, AVR0.u64[VR_DWORD1]);
-}
-
-void OPPROTO glue(op_vr_stvx_le_64, MEMSUFFIX) (void)
-{
- glue(st64r, MEMSUFFIX)((uint64_t)T0, AVR0.u64[VR_DWORD1]);
- glue(st64r, MEMSUFFIX)((uint64_t)T0 + 8, AVR0.u64[VR_DWORD0]);
-}
-#endif
-#undef VR_DWORD0
-#undef VR_DWORD1
-
/* SPE extension */
#define _PPC_SPE_LD_OP(name, op) \
void OPPROTO glue(glue(op_spe_l, name), MEMSUFFIX) (void) \
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2008-11-23 16:30:50 UTC (rev 5786)
+++ trunk/target-ppc/translate.c 2008-11-24 08:47:21 UTC (rev 5787)
@@ -77,7 +77,6 @@
static TCGv_i64 cpu_T64[3];
#endif
static TCGv_i64 cpu_FT[2];
-static TCGv_i64 cpu_AVRh[3], cpu_AVRl[3];
#include "gen-icount.h"
@@ -122,19 +121,6 @@
cpu_FT[1] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, ft1), "FT1");
- cpu_AVRh[0] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr0.u64[0]), "AVR0H");
- cpu_AVRl[0] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr0.u64[1]), "AVR0L");
- cpu_AVRh[1] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr1.u64[0]), "AVR1H");
- cpu_AVRl[1] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr1.u64[1]), "AVR1L");
- cpu_AVRh[2] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr2.u64[0]), "AVR2H");
- cpu_AVRl[2] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr2.u64[1]), "AVR2L");
-
p = cpu_reg_names;
for (i = 0; i < 8; i++) {
@@ -162,13 +148,23 @@
p += (i < 10) ? 4 : 5;
sprintf(p, "avr%dH", i);
+#ifdef WORDS_BIGENDIAN
cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr[i].u64[0]), p);
+ offsetof(CPUState,
avr[i].u64[0]), p);
+#else
+ cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0,
+ offsetof(CPUState,
avr[i].u64[1]), p);
+#endif
p += (i < 10) ? 6 : 7;
sprintf(p, "avr%dL", i);
+#ifdef WORDS_BIGENDIAN
cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0,
- offsetof(CPUState, avr[i].u64[1]), p);
+ offsetof(CPUState,
avr[i].u64[1]), p);
+#else
+ cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0,
+ offsetof(CPUState,
avr[i].u64[0]), p);
+#endif
p += (i < 10) ? 6 : 7;
}
@@ -5939,61 +5935,59 @@
/*** Altivec vector extension ***/
/* Altivec registers moves */
-static always_inline void gen_load_avr(int t, int reg) {
- tcg_gen_mov_i64(cpu_AVRh[t], cpu_avrh[reg]);
- tcg_gen_mov_i64(cpu_AVRl[t], cpu_avrl[reg]);
-}
-
-static always_inline void gen_store_avr(int reg, int t) {
- tcg_gen_mov_i64(cpu_avrh[reg], cpu_AVRh[t]);
- tcg_gen_mov_i64(cpu_avrl[reg], cpu_AVRl[t]);
-}
-
-#define op_vr_ldst(name) (*gen_op_##name[ctx->mem_idx])()
-#define OP_VR_LD_TABLE(name) \
-static GenOpFunc *gen_op_vr_l##name[NB_MEM_FUNCS] = { \
- GEN_MEM_FUNCS(vr_l##name), \
-};
-#define OP_VR_ST_TABLE(name) \
-static GenOpFunc *gen_op_vr_st##name[NB_MEM_FUNCS] = { \
- GEN_MEM_FUNCS(vr_st##name), \
-};
-
#define GEN_VR_LDX(name, opc2, opc3) \
-GEN_HANDLER(l##name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \
+GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \
{ \
+ TCGv EA; \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
- gen_addr_reg_index(cpu_T[0], ctx); \
- op_vr_ldst(vr_l##name); \
- gen_store_avr(rD(ctx->opcode), 0); \
+ EA = tcg_temp_new(); \
+ gen_addr_reg_index(EA, ctx); \
+ tcg_gen_andi_tl(EA, EA, ~0xf); \
+ if (ctx->mem_idx & 1) { \
+ gen_qemu_ld64(cpu_avrl[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ tcg_gen_addi_tl(EA, EA, 8); \
+ gen_qemu_ld64(cpu_avrh[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ } else { \
+ gen_qemu_ld64(cpu_avrh[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ tcg_gen_addi_tl(EA, EA, 8); \
+ gen_qemu_ld64(cpu_avrl[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ } \
+ tcg_temp_free(EA); \
}
#define GEN_VR_STX(name, opc2, opc3) \
GEN_HANDLER(st##name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \
{ \
+ TCGv EA; \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
- gen_addr_reg_index(cpu_T[0], ctx); \
- gen_load_avr(0, rS(ctx->opcode)); \
- op_vr_ldst(vr_st##name); \
+ EA = tcg_temp_new(); \
+ gen_addr_reg_index(EA, ctx); \
+ tcg_gen_andi_tl(EA, EA, ~0xf); \
+ if (ctx->mem_idx & 1) { \
+ gen_qemu_st64(cpu_avrl[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ tcg_gen_addi_tl(EA, EA, 8); \
+ gen_qemu_st64(cpu_avrh[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ } else { \
+ gen_qemu_st64(cpu_avrh[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ tcg_gen_addi_tl(EA, EA, 8); \
+ gen_qemu_st64(cpu_avrl[rD(ctx->opcode)], EA, ctx->mem_idx); \
+ } \
+ tcg_temp_free(EA); \
}
-OP_VR_LD_TABLE(vx);
-GEN_VR_LDX(vx, 0x07, 0x03);
+GEN_VR_LDX(lvx, 0x07, 0x03);
/* As we don't emulate the cache, lvxl is stricly equivalent to lvx */
-#define gen_op_vr_lvxl gen_op_vr_lvx
-GEN_VR_LDX(vxl, 0x07, 0x0B);
+GEN_VR_LDX(lvxl, 0x07, 0x0B);
-OP_VR_ST_TABLE(vx);
-GEN_VR_STX(vx, 0x07, 0x07);
+GEN_VR_STX(svx, 0x07, 0x07);
/* As we don't emulate the cache, stvxl is stricly equivalent to stvx */
-#define gen_op_vr_stvxl gen_op_vr_stvx
-GEN_VR_STX(vxl, 0x07, 0x0F);
+GEN_VR_STX(svxl, 0x07, 0x0F);
/*** SPE extension ***/
/* Register moves */
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