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authorRichard Henderson <rth@twiddle.net>2012-10-16 19:32:22 +1000
committerBlue Swirl <blauwirbel@gmail.com>2012-10-20 07:56:06 +0000
commit45778f99f0fb088af1f92d9a92759b760dceef2a (patch)
tree82b74822dabb970bb9e631a8767291640aac7452
parentba5f5179f2c27c7e9891e404f526d3463e3f4a15 (diff)
target-sparc: Avoid cpu_tmp32 in Read Priv Register
We don't need another temporary here. Load directly into the register we want to set. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
-rw-r--r--target-sparc/translate.c53
1 files changed, 21 insertions, 32 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 5013aeeed2..43e44d55de 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2865,14 +2865,12 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 3: // tt
{
- TCGv_ptr r_tsptr;
+ TCGv_ptr r_tsptr = tcg_temp_new_ptr();
- r_tsptr = tcg_temp_new_ptr();
gen_load_trap_state_at_tl(r_tsptr, cpu_env);
- tcg_gen_ld_i32(cpu_tmp32, r_tsptr,
- offsetof(trap_state, tt));
+ tcg_gen_ld32s_tl(cpu_tmp0, r_tsptr,
+ offsetof(trap_state, tt));
tcg_temp_free_ptr(r_tsptr);
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
}
break;
case 4: // tick
@@ -2890,53 +2888,44 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
tcg_gen_mov_tl(cpu_tmp0, cpu_tbr);
break;
case 6: // pstate
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, pstate));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, pstate));
break;
case 7: // tl
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, tl));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, tl));
break;
case 8: // pil
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, psrpil));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, psrpil));
break;
case 9: // cwp
gen_helper_rdcwp(cpu_tmp0, cpu_env);
break;
case 10: // cansave
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, cansave));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, cansave));
break;
case 11: // canrestore
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, canrestore));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, canrestore));
break;
case 12: // cleanwin
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, cleanwin));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, cleanwin));
break;
case 13: // otherwin
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, otherwin));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, otherwin));
break;
case 14: // wstate
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, wstate));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, wstate));
break;
case 16: // UA2005 gl
CHECK_IU_FEATURE(dc, GL);
- tcg_gen_ld_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, gl));
- tcg_gen_ext_i32_tl(cpu_tmp0, cpu_tmp32);
+ tcg_gen_ld32s_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, gl));
break;
case 26: // UA2005 strand status
CHECK_IU_FEATURE(dc, HYPV);