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[Qemu-devel] [PATCH 05/11] tcg-sparc: Don't handle remainder
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 05/11] tcg-sparc: Don't handle remainder |
Date: |
Wed, 5 Mar 2014 10:11:15 -0800 |
The generic fallback is exactly what we implemented.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/sparc/tcg-target.c | 21 ---------------------
tcg/sparc/tcg-target.h | 4 ++--
2 files changed, 2 insertions(+), 23 deletions(-)
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index ebcba71..30a2eaa 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -1289,15 +1289,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode
opc, const TCGArg *args,
tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 1);
break;
- case INDEX_op_rem_i32:
- case INDEX_op_remu_i32:
- tcg_out_div32(s, TCG_REG_T1, args[1], args[2], const_args[2],
- opc == INDEX_op_remu_i32);
- tcg_out_arithc(s, TCG_REG_T1, TCG_REG_T1, args[2], const_args[2],
- ARITH_UMUL);
- tcg_out_arith(s, args[0], args[1], TCG_REG_T1, ARITH_SUB);
- break;
-
case INDEX_op_brcond_i32:
tcg_out_brcond_i32(s, args[2], args[0], args[1], const_args[1],
args[3]);
@@ -1413,14 +1404,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode
opc, const TCGArg *args,
case INDEX_op_divu_i64:
c = ARITH_UDIVX;
goto gen_arith;
- case INDEX_op_rem_i64:
- case INDEX_op_remu_i64:
- tcg_out_arithc(s, TCG_REG_T1, args[1], args[2], const_args[2],
- opc == INDEX_op_rem_i64 ? ARITH_SDIVX : ARITH_UDIVX);
- tcg_out_arithc(s, TCG_REG_T1, TCG_REG_T1, args[2], const_args[2],
- ARITH_MULX);
- tcg_out_arith(s, args[0], args[1], TCG_REG_T1, ARITH_SUB);
- break;
case INDEX_op_ext32s_i64:
if (const_args[1]) {
tcg_out_movi(s, TCG_TYPE_I64, args[0], (int32_t)args[1]);
@@ -1484,8 +1467,6 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_mul_i32, { "r", "rZ", "rJ" } },
{ INDEX_op_div_i32, { "r", "rZ", "rJ" } },
{ INDEX_op_divu_i32, { "r", "rZ", "rJ" } },
- { INDEX_op_rem_i32, { "r", "rZ", "rJ" } },
- { INDEX_op_remu_i32, { "r", "rZ", "rJ" } },
{ INDEX_op_sub_i32, { "r", "rZ", "rJ" } },
{ INDEX_op_and_i32, { "r", "rZ", "rJ" } },
{ INDEX_op_andc_i32, { "r", "rZ", "rJ" } },
@@ -1532,8 +1513,6 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_mul_i64, { "r", "rZ", "rJ" } },
{ INDEX_op_div_i64, { "r", "rZ", "rJ" } },
{ INDEX_op_divu_i64, { "r", "rZ", "rJ" } },
- { INDEX_op_rem_i64, { "r", "rZ", "rJ" } },
- { INDEX_op_remu_i64, { "r", "rZ", "rJ" } },
{ INDEX_op_sub_i64, { "r", "rZ", "rJ" } },
{ INDEX_op_and_i64, { "r", "rZ", "rJ" } },
{ INDEX_op_andc_i64, { "r", "rZ", "rJ" } },
diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h
index 00f3a18..202b88a 100644
--- a/tcg/sparc/tcg-target.h
+++ b/tcg/sparc/tcg-target.h
@@ -94,7 +94,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
-#define TCG_TARGET_HAS_rem_i32 1
+#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_rot_i32 0
#define TCG_TARGET_HAS_ext8s_i32 0
#define TCG_TARGET_HAS_ext16s_i32 0
@@ -120,7 +120,7 @@ typedef enum {
#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_div_i64 1
-#define TCG_TARGET_HAS_rem_i64 1
+#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_rot_i64 0
#define TCG_TARGET_HAS_ext8s_i64 0
#define TCG_TARGET_HAS_ext16s_i64 0
--
1.8.5.3
- [Qemu-devel] [PATCH 00/11] tcg-sparc updates, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 01/11] tcg-sparc: Fix ld64 for 32-bit mode, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 02/11] tcg-sparc: Fix tlb read, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 03/11] tcg-sparc: Tidy call+jump patterns, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 04/11] tcg-sparc: Use intptr_t as appropriate, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 05/11] tcg-sparc: Don't handle remainder,
Richard Henderson <=
- [Qemu-devel] [PATCH 06/11] tcg-sparc: Dont handle constant arguments to ext32 ops, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 07/11] tcg-sparc: Improve tcg_out_movi, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 08/11] tcg-sparc: Use TCGMemOp within qemu_ldst routines, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 09/11] tcg-sparc: Tidy tcg_out_tlb_load interface, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 10/11] tcg-sparc: Convert to new ldst helpers, Richard Henderson, 2014/03/05
- [Qemu-devel] [PATCH 11/11] tcg-sparc: Convert to new ldst opcodes, Richard Henderson, 2014/03/05
- Re: [Qemu-devel] [PATCH 00/11] tcg-sparc updates, Mark Cave-Ayland, 2014/03/09