[PATCH 64/70] target/xtensa: Avoid tcg_const_i32 in translate_l32r

Richard Henderson posted 70 patches 2 years, 2 months ago
There is a newer version of this series
[PATCH 64/70] target/xtensa: Avoid tcg_const_i32 in translate_l32r
Posted by Richard Henderson 2 years, 2 months ago
Use addi on the addition side and tcg_constant_i32 on the other.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/xtensa/translate.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index d727f9ffd8..41b84082de 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1721,10 +1721,10 @@ static void translate_l32r(DisasContext *dc, const OpcodeArg arg[],
     TCGv_i32 tmp;
 
     if (dc->base.tb->flags & XTENSA_TBFLAG_LITBASE) {
-        tmp = tcg_const_i32(arg[1].raw_imm - 1);
-        tcg_gen_add_i32(tmp, cpu_SR[LITBASE], tmp);
+        tmp = tcg_temp_new();
+        tcg_gen_addi_i32(tmp, cpu_SR[LITBASE], arg[1].raw_imm - 1);
     } else {
-        tmp = tcg_const_i32(arg[1].imm);
+        tmp = tcg_constant_i32(arg[1].imm);
     }
     tcg_gen_qemu_ld32u(arg[0].out, tmp, dc->cring);
 }
-- 
2.34.1
Re: [PATCH 64/70] target/xtensa: Avoid tcg_const_i32 in translate_l32r
Posted by Philippe Mathieu-Daudé 2 years, 2 months ago
On 27/2/23 06:42, Richard Henderson wrote:
> Use addi on the addition side and tcg_constant_i32 on the other.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   target/xtensa/translate.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



Re: [PATCH 64/70] target/xtensa: Avoid tcg_const_i32 in translate_l32r
Posted by Max Filippov 2 years, 2 months ago
On Sun, Feb 26, 2023 at 9:48 PM Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Use addi on the addition side and tcg_constant_i32 on the other.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/xtensa/translate.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>

-- 
Thanks.
-- Max