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[Qemu-devel] [PATCH 11/20] target-sparc: Avoid cpu_tmp32 in Read Priv Re
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 11/20] target-sparc: Avoid cpu_tmp32 in Read Priv Register |
Date: |
Tue, 16 Oct 2012 19:32:22 +1000 |
We don't need another temporary here. Load directly into the
register we want to set.
Signed-off-by: Richard Henderson <address@hidden>
---
target-sparc/translate.c | 53 +++++++++++++++++++-----------------------------
1 file changed, 21 insertions(+), 32 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 5013aee..43e44d5 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);
--
1.7.11.7
- [Qemu-devel] [PATCH 01/20] target-sparc: Add gen_load/store/dest_gpr, (continued)
- [Qemu-devel] [PATCH 01/20] target-sparc: Add gen_load/store/dest_gpr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 04/20] target-sparc: Convert asi helpers to gen_*_gpr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 05/20] target-sparc: Convert swap to gen_load/store_gpr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 08/20] target-sparc: Make the cpu_addr variable local to load/store handling, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 06/20] target-sparc: Finish conversion to gen_load_gpr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 07/20] target-sparc: Cleanup cpu_src[12] allocation, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 19/20] target-sparc: Make cpu_dst local to OP=2 insns, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 18/20] target-sparc: Only use cpu_dst for eventual writes to a gpr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 20/20] target-sparc: Remove cpu_tmp0 as a global, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 10/20] target-sparc: Use get_temp_i32 in gen_dest_fpr_F, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 11/20] target-sparc: Avoid cpu_tmp32 in Read Priv Register,
Richard Henderson <=
- [Qemu-devel] [PATCH 09/20] target-sparc: Split out get_temp_i32, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 12/20] target-sparc: Avoid cpu_tmp32 in Write Priv Register, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 13/20] target-sparc: Tidy ldfsr, stfsr, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 15/20] target-sparc: Don't use a temporary for gen_dest_fpr_D, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 14/20] target-sparc: Remove usage of cpu_tmp64 from most helper functions, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 17/20] target-sparc: Remove last uses of cpu_tmp64, Richard Henderson, 2012/10/16
- [Qemu-devel] [PATCH 16/20] target-sparc: Remove cpu_tmp64 use from softint insns, Richard Henderson, 2012/10/16
- Re: [Qemu-devel] [PATCH v2 00/20] target-sparc: Cleanup handling of temps, Blue Swirl, 2012/10/20