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| author | Richard Henderson <rth@twiddle.net> | 2012-10-09 14:49:59 -0700 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-10-13 10:17:28 +0000 |
| commit | 6234ac09a947d1402f92b6d25ccea6faa4433b5b (patch) | |
| tree | c0b54f8f92902bc0bb7c37b3011a0b6050b38162 | |
| parent | 96b5a3d3cf49d27e6da7ceac683a1b38d122e6fa (diff) | |
| download | qemu-6234ac09a947d1402f92b6d25ccea6faa4433b5b.zip qemu-6234ac09a947d1402f92b6d25ccea6faa4433b5b.tar.gz qemu-6234ac09a947d1402f92b6d25ccea6faa4433b5b.tar.bz2 | |
target-sparc: Avoid unnecessary local temporaries
Now that save_state never ends a BB, we don't need to copy
values into local temps around it.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| -rw-r--r-- | target-sparc/translate.c | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 4409f69..65e6f23 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -143,7 +143,7 @@ static TCGv_i32 gen_load_fpr_F(DisasContext *dc, unsigned int src) if (src & 1) { return MAKE_TCGV_I32(GET_TCGV_I64(cpu_fpr[src / 2])); } else { - TCGv_i32 ret = tcg_temp_local_new_i32(); + TCGv_i32 ret = tcg_temp_new_i32(); TCGv_i64 t = tcg_temp_new_i64(); tcg_gen_shri_i64(t, cpu_fpr[src / 2], 32); @@ -3885,28 +3885,16 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) tcg_gen_mov_tl(cpu_tbr, cpu_tmp0); break; case 6: // pstate - { - TCGv r_tmp = tcg_temp_local_new(); - - tcg_gen_mov_tl(r_tmp, cpu_tmp0); - save_state(dc); - gen_helper_wrpstate(cpu_env, r_tmp); - tcg_temp_free(r_tmp); - dc->npc = DYNAMIC_PC; - } + save_state(dc); + gen_helper_wrpstate(cpu_env, cpu_tmp0); + dc->npc = DYNAMIC_PC; break; case 7: // tl - { - TCGv r_tmp = tcg_temp_local_new(); - - tcg_gen_mov_tl(r_tmp, cpu_tmp0); - save_state(dc); - tcg_gen_trunc_tl_i32(cpu_tmp32, r_tmp); - tcg_temp_free(r_tmp); - tcg_gen_st_i32(cpu_tmp32, cpu_env, - offsetof(CPUSPARCState, tl)); - dc->npc = DYNAMIC_PC; - } + save_state(dc); + tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0); + tcg_gen_st_i32(cpu_tmp32, cpu_env, + offsetof(CPUSPARCState, tl)); + dc->npc = DYNAMIC_PC; break; case 8: // pil gen_helper_wrpil(cpu_env, cpu_tmp0); |