[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 12/20] target-sparc: Avoid cpu_tmp32 in Write Priv R
|
From: |
Richard Henderson |
|
Subject: |
[Qemu-devel] [PATCH 12/20] target-sparc: Avoid cpu_tmp32 in Write Priv Register |
|
Date: |
Tue, 16 Oct 2012 19:32:23 +1000 |
No need to copy to a temporary to store 32 bits.
Signed-off-by: Richard Henderson <address@hidden>
---
target-sparc/translate.c | 56 +++++++++++++++++++++---------------------------
1 file changed, 24 insertions(+), 32 deletions(-)
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 43e44d5..353ebc6 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -3801,9 +3801,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned
int insn)
r_tsptr = tcg_temp_new_ptr();
gen_load_trap_state_at_tl(r_tsptr,
cpu_env);
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, r_tsptr,
- offsetof(trap_state, tt));
+ tcg_gen_st32_tl(cpu_tmp0, r_tsptr,
+ offsetof(trap_state, tt));
tcg_temp_free_ptr(r_tsptr);
}
break;
@@ -3829,8 +3828,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned
int insn)
break;
case 7: // tl
save_state(dc);
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
offsetof(CPUSPARCState, tl));
dc->npc = DYNAMIC_PC;
break;
@@ -3841,40 +3839,34 @@ static void disas_sparc_insn(DisasContext * dc,
unsigned int insn)
gen_helper_wrcwp(cpu_env, cpu_tmp0);
break;
case 10: // cansave
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState,
- cansave));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState,
+ cansave));
break;
case 11: // canrestore
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState,
- canrestore));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState,
+ canrestore));
break;
case 12: // cleanwin
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState,
- cleanwin));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState,
+ cleanwin));
break;
case 13: // otherwin
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState,
- otherwin));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState,
+ otherwin));
break;
case 14: // wstate
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState,
- wstate));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState,
+ wstate));
break;
case 16: // UA2005 gl
CHECK_IU_FEATURE(dc, GL);
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- tcg_gen_st_i32(cpu_tmp32, cpu_env,
- offsetof(CPUSPARCState, gl));
+ tcg_gen_st32_tl(cpu_tmp0, cpu_env,
+ offsetof(CPUSPARCState, gl));
break;
case 26: // UA2005 strand status
CHECK_IU_FEATURE(dc, HYPV);
@@ -3886,11 +3878,11 @@ static void disas_sparc_insn(DisasContext * dc,
unsigned int insn)
goto illegal_insn;
}
#else
- tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
- if (dc->def->nwindows != 32)
- tcg_gen_andi_tl(cpu_tmp32, cpu_tmp32,
+ tcg_gen_trunc_tl_i32(cpu_wim, cpu_tmp0);
+ if (dc->def->nwindows != 32) {
+ tcg_gen_andi_tl(cpu_wim, cpu_wim,
(1 << dc->def->nwindows) - 1);
- tcg_gen_mov_i32(cpu_wim, cpu_tmp32);
+ }
#endif
}
break;
--
1.7.11.7
- [Qemu-devel] [PATCH 05/20] target-sparc: Convert swap to gen_load/store_gpr, (continued)
- [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, 2012/10/16
- [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 <=
- [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