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[PULL v3 26/38] tcg: Use constant zero when expanding with divu2
From: |
Richard Henderson |
Subject: |
[PULL v3 26/38] tcg: Use constant zero when expanding with divu2 |
Date: |
Mon, 23 Oct 2023 11:13:17 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/tcg-op.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c
index 393dbcd01c..c29355b67b 100644
--- a/tcg/tcg-op.c
+++ b/tcg/tcg-op.c
@@ -342,8 +342,8 @@ void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32
arg2)
tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div2_i32) {
TCGv_i32 t0 = tcg_temp_ebb_new_i32();
- tcg_gen_movi_i32(t0, 0);
- tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2);
+ TCGv_i32 zero = tcg_constant_i32(0);
+ tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, zero, arg2);
tcg_temp_free_i32(t0);
} else {
gen_helper_divu_i32(ret, arg1, arg2);
@@ -362,8 +362,8 @@ void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32
arg2)
tcg_temp_free_i32(t0);
} else if (TCG_TARGET_HAS_div2_i32) {
TCGv_i32 t0 = tcg_temp_ebb_new_i32();
- tcg_gen_movi_i32(t0, 0);
- tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2);
+ TCGv_i32 zero = tcg_constant_i32(0);
+ tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, zero, arg2);
tcg_temp_free_i32(t0);
} else {
gen_helper_remu_i32(ret, arg1, arg2);
@@ -1674,8 +1674,8 @@ void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1,
TCGv_i64 arg2)
tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div2_i64) {
TCGv_i64 t0 = tcg_temp_ebb_new_i64();
- tcg_gen_movi_i64(t0, 0);
- tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
+ TCGv_i64 zero = tcg_constant_i64(0);
+ tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, zero, arg2);
tcg_temp_free_i64(t0);
} else {
gen_helper_divu_i64(ret, arg1, arg2);
@@ -1694,8 +1694,8 @@ void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1,
TCGv_i64 arg2)
tcg_temp_free_i64(t0);
} else if (TCG_TARGET_HAS_div2_i64) {
TCGv_i64 t0 = tcg_temp_ebb_new_i64();
- tcg_gen_movi_i64(t0, 0);
- tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
+ TCGv_i64 zero = tcg_constant_i64(0);
+ tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, zero, arg2);
tcg_temp_free_i64(t0);
} else {
gen_helper_remu_i64(ret, arg1, arg2);
--
2.34.1
- [PULL v3 27/38] tcg: Optimize past conditional branches, (continued)
- [PULL v3 27/38] tcg: Optimize past conditional branches, Richard Henderson, 2023/10/23
- [PULL v3 28/38] tcg: Add tcg_gen_{ld,st}_i128, Richard Henderson, 2023/10/23
- [PULL v3 29/38] target/i386: Use i128 for 128 and 256-bit loads and stores, Richard Henderson, 2023/10/23
- [PULL v3 23/38] tcg/riscv: Use tcg_use_softmmu, Richard Henderson, 2023/10/23
- [PULL v3 24/38] tcg/s390x: Use tcg_use_softmmu, Richard Henderson, 2023/10/23
- [PULL v3 31/38] tcg: Export tcg_gen_ext_{i32,i64,tl}, Richard Henderson, 2023/10/23
- [PULL v3 32/38] tcg: Define MO_TL, Richard Henderson, 2023/10/23
- [PULL v3 34/38] target/i386: Use tcg_gen_ext_tl, Richard Henderson, 2023/10/23
- [PULL v3 33/38] target/arm: Use tcg_gen_ext_i64, Richard Henderson, 2023/10/23
- [PULL v3 25/38] tcg: drop unused tcg_temp_free define, Richard Henderson, 2023/10/23
- [PULL v3 26/38] tcg: Use constant zero when expanding with divu2,
Richard Henderson <=
- [PULL v3 30/38] tcg: add negsetcondi, Richard Henderson, 2023/10/23
- [PULL v3 35/38] target/m68k: Use tcg_gen_ext_i32, Richard Henderson, 2023/10/23
- [PULL v3 36/38] target/rx: Use tcg_gen_ext_i32, Richard Henderson, 2023/10/23
- [PULL v3 37/38] target/tricore: Use tcg_gen_*extract_tl, Richard Henderson, 2023/10/23
- [PULL v3 38/38] target/xtensa: Use tcg_gen_sextract_i32, Richard Henderson, 2023/10/23
- Re: [PULL v3 00/38] tcg patch queue, Stefan Hajnoczi, 2023/10/23