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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 01:28:29 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-29 01:28:29 +0000 |
| commit | 41db460791c2d6a5d59a39614f2f63a5fca6d73e (patch) | |
| tree | ca2bcd5642d11778bb6e322898158c6db2ab6251 /target-mips | |
| parent | d45f89f4e44758d595e6d9bfb45d1a8884dc2b66 (diff) | |
| download | qemu-41db460791c2d6a5d59a39614f2f63a5fca6d73e.zip qemu-41db460791c2d6a5d59a39614f2f63a5fca6d73e.tar.gz qemu-41db460791c2d6a5d59a39614f2f63a5fca6d73e.tar.bz2 | |
target-mips: optimize write to env->hflags
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6941 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/translate.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index b2f32ad..d8638a6 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -429,8 +429,8 @@ enum { static TCGv_ptr cpu_env; static TCGv cpu_gpr[32], cpu_PC; static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC]; -static TCGv cpu_dspctrl, btarget; -static TCGv bcond; +static TCGv cpu_dspctrl, btarget, bcond; +static TCGv_i32 hflags; static TCGv_i32 fpu_fpr32[32], fpu_fpr32h[32]; static TCGv_i32 fpu_fcr0, fpu_fcr31; @@ -758,11 +758,7 @@ static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) ctx->saved_pc = ctx->pc; } if (ctx->hflags != ctx->saved_hflags) { - TCGv_i32 r_tmp = tcg_temp_new_i32(); - - tcg_gen_movi_i32(r_tmp, ctx->hflags); - tcg_gen_st_i32(r_tmp, cpu_env, offsetof(CPUState, hflags)); - tcg_temp_free_i32(r_tmp); + tcg_gen_movi_i32(hflags, ctx->hflags); ctx->saved_hflags = ctx->hflags; switch (ctx->hflags & MIPS_HFLAG_BMASK) { case MIPS_HFLAG_BR: @@ -7555,13 +7551,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx) MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); - { - TCGv_i32 r_tmp = tcg_temp_new_i32(); - - tcg_gen_movi_i32(r_tmp, ctx->hflags & ~MIPS_HFLAG_BMASK); - tcg_gen_st_i32(r_tmp, cpu_env, offsetof(CPUState, hflags)); - tcg_temp_free_i32(r_tmp); - } + tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); gen_goto_tb(ctx, 1, ctx->pc + 4); gen_set_label(l1); } @@ -8413,6 +8403,9 @@ static void mips_tcg_init(void) offsetof(CPUState, bcond), "bcond"); btarget = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, btarget), "btarget"); + hflags = tcg_global_mem_new_i32(TCG_AREG0, + offsetof(CPUState, hflags), "hflags"); + for (i = 0; i < 32; i++) fpu_fpr32[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, active_fpu.fpr[i].w[FP_ENDIAN_IDX]), |