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[Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op |
Date: |
Wed, 10 May 2017 17:05:29 -0300 |
Applied using Coccinelle script.
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
target/arm/translate.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 0b5a0bca06..3230efe1be 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -339,8 +339,7 @@ static void gen_smul_dual(TCGv_i32 a, TCGv_i32 b)
static void gen_rev16(TCGv_i32 var)
{
TCGv_i32 tmp = tcg_temp_new_i32();
- tcg_gen_shri_i32(tmp, var, 8);
- tcg_gen_andi_i32(tmp, tmp, 0x00ff00ff);
+ tcg_gen_extract_i32(tmp, var, 8, 0x00ff00ff);
tcg_gen_shli_i32(var, var, 8);
tcg_gen_andi_i32(var, var, 0xff00ff00);
tcg_gen_or_i32(var, var, tmp);
@@ -4700,8 +4699,7 @@ static void gen_neon_trn_u8(TCGv_i32 t0, TCGv_i32 t1)
tcg_gen_andi_i32(tmp, t1, 0x00ff00ff);
tcg_gen_or_i32(rd, rd, tmp);
- tcg_gen_shri_i32(t1, t1, 8);
- tcg_gen_andi_i32(t1, t1, 0x00ff00ff);
+ tcg_gen_extract_i32(t1, t1, 8, 0x00ff00ff);
tcg_gen_andi_i32(tmp, t0, 0xff00ff00);
tcg_gen_or_i32(t1, t1, tmp);
tcg_gen_mov_i32(t0, rd);
--
2.11.0
- Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), (continued)
- Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Richard Henderson, 2017/05/10
- Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Eric Blake, 2017/05/10
- Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/05/10
- [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/05/10
- Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/05/10
- Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Markus Armbruster, 2017/05/11
- Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/05/11
- Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Philippe Mathieu-Daudé, 2017/05/11
- Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract(), Markus Armbruster, 2017/05/15
[Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op,
Philippe Mathieu-Daudé <=
[Qemu-devel] [PATCH 3/8] target/arm: optimize rev16() using extract op, Philippe Mathieu-Daudé, 2017/05/10
[Qemu-devel] [PATCH 4/8] target/cris: optimize gen_swapb() using extract op, Philippe Mathieu-Daudé, 2017/05/10
[Qemu-devel] [PATCH 5/8] target/m68k: optimize bcd_flags() using extract op, Philippe Mathieu-Daudé, 2017/05/10