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| author | Richard Henderson <rth@twiddle.net> | 2012-10-16 19:32:23 +1000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-10-20 07:56:06 +0000 |
| commit | 7b9e066b67c1f8839a1ca63efebcbaf48cc60104 (patch) | |
| tree | c5831437e9d5fdbc3969d018714ee8b940122d2e /target-sparc | |
| parent | 45778f99f0fb088af1f92d9a92759b760dceef2a (diff) | |
| download | qemu-7b9e066b67c1f8839a1ca63efebcbaf48cc60104.zip qemu-7b9e066b67c1f8839a1ca63efebcbaf48cc60104.tar.gz qemu-7b9e066b67c1f8839a1ca63efebcbaf48cc60104.tar.bz2 | |
target-sparc: Avoid cpu_tmp32 in Write Priv Register
No need to copy to a temporary to store 32 bits.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/translate.c | 56 |
1 files 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; |