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[Qemu-devel] [PATCH v5 08/10] target/sparc: optimize gen_op_mulscc() usi
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-devel] [PATCH v5 08/10] target/sparc: optimize gen_op_mulscc() using deposit op |
Date: |
Tue, 18 Jul 2017 01:55:38 -0300 |
Suggested-by: Richard Henderson <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
target/sparc/translate.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 67a83b77cc..a425efb1f1 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -632,11 +632,8 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv
src2)
// b2 = T0 & 1;
// env->y = (b2 << 31) | (env->y >> 1);
- tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
- tcg_gen_shli_tl(r_temp, r_temp, 31);
tcg_gen_extract_tl(t0, cpu_y, 1, 31);
- tcg_gen_or_tl(t0, t0, r_temp);
- tcg_gen_andi_tl(cpu_y, t0, 0xffffffff);
+ tcg_gen_deposit_tl(cpu_y, cpu_y, cpu_cc_src, 31, 1);
// b1 = N ^ V;
gen_mov_reg_N(t0, cpu_psr);
--
2.13.2
- [Qemu-devel] [PATCH v5 00/10] optimize various tcg_gen() functions using extract/deposit op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 01/10] coccinelle: ignore ASTs pre-parsed cached C files, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 02/10] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 03/10] target/arm: optimize aarch64 rev16() using extract op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 04/10] target/m68k: optimize bcd_flags() using extract op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 06/10] target/sparc: optimize various functions using extract op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 05/10] target/ppc: optimize various functions using extract op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 07/10] target/sparc: optimize gen_op_mulscc() using extract op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 08/10] target/sparc: optimize gen_op_mulscc() using deposit op,
Philippe Mathieu-Daudé <=
- [Qemu-devel] [PATCH v5 09/10] target/alpha: optimize gen_cvtlq() using deposit op, Philippe Mathieu-Daudé, 2017/07/18
- [Qemu-devel] [PATCH v5 10/10] tcg/tci: enable bswap16_i64, Philippe Mathieu-Daudé, 2017/07/18
- Re: [Qemu-devel] [PATCH v5 00/10] optimize various tcg_gen() functions using extract/deposit op, Richard Henderson, 2017/07/18