summaryrefslogtreecommitdiffstats
path: root/target
diff options
context:
space:
mode:
authorAurelien Jarno2017-05-01 23:20:43 +0200
committerAurelien Jarno2017-05-13 11:18:26 +0200
commit58d2a9aef4cacb3056f5b12c1eb92105704183fe (patch)
treed58e1eae93317e26c0b1ca80f8b79e17ea5b7d07 /target
parenttarget/sh4: fold ctx->bstate = BS_BRANCH into gen_conditional_jump (diff)
downloadqemu-58d2a9aef4cacb3056f5b12c1eb92105704183fe.tar.gz
qemu-58d2a9aef4cacb3056f5b12c1eb92105704183fe.tar.xz
qemu-58d2a9aef4cacb3056f5b12c1eb92105704183fe.zip
target/sh4: optimize gen_store_fpr64
Using extr and avoiding intermediate temps. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target')
-rw-r--r--target/sh4/translate.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index a4c7a0895b..fe8bff54a6 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -305,13 +305,7 @@ static inline void gen_load_fpr64(TCGv_i64 t, int reg)
static inline void gen_store_fpr64 (TCGv_i64 t, int reg)
{
- TCGv_i32 tmp = tcg_temp_new_i32();
- tcg_gen_extrl_i64_i32(tmp, t);
- tcg_gen_mov_i32(cpu_fregs[reg + 1], tmp);
- tcg_gen_shri_i64(t, t, 32);
- tcg_gen_extrl_i64_i32(tmp, t);
- tcg_gen_mov_i32(cpu_fregs[reg], tmp);
- tcg_temp_free_i32(tmp);
+ tcg_gen_extr_i64_i32(cpu_fregs[reg + 1], cpu_fregs[reg], t);
}
#define B3_0 (ctx->opcode & 0xf)