diff options
author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-23 18:06:27 +0000 |
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committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-05-23 18:06:27 +0000 |
commit | e214b9bb55b20480c4f7a6f4db2d929332cf8c19 (patch) | |
tree | 44b6777183660f25c856ec98ea7c6a3098fd8129 /target-mips | |
parent | e8996ee012e957cf8456d41ee6a7bbaf1f9b888b (diff) | |
download | qemu-e214b9bb55b20480c4f7a6f4db2d929332cf8c19.zip |
Switch MIPS movf/movt to TCG.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4545 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips')
-rw-r--r-- | target-mips/op.c | 15 | ||||
-rw-r--r-- | target-mips/translate.c | 30 |
2 files changed, 22 insertions, 23 deletions
diff --git a/target-mips/op.c b/target-mips/op.c index 89495b7192..3bb6adfee3 100644 --- a/target-mips/op.c +++ b/target-mips/op.c @@ -460,21 +460,6 @@ void op_dmultu (void) } #endif -/* Conditional moves */ -void op_movf (void) -{ - if (!(env->fpu->fcr31 & PARAM1)) - T0 = T1; - FORCE_RET(); -} - -void op_movt (void) -{ - if (env->fpu->fcr31 & PARAM1) - T0 = T1; - FORCE_RET(); -} - /* CP0 functions */ void op_mfc0_index (void) { diff --git a/target-mips/translate.c b/target-mips/translate.c index 6f295d4a50..5014bdf252 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -5450,19 +5450,33 @@ static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) { + TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); + TCGv r_tmp = new_tmp(); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); + TCGv t1 = tcg_temp_new(TCG_TYPE_TL); + int l1 = gen_new_label(); uint32_t ccbit; + TCGCond cond; - gen_load_gpr(cpu_T[0], rd); - gen_load_gpr(cpu_T[1], rs); - if (cc) { + if (cc) ccbit = 1 << (24 + cc); - } else + else ccbit = 1 << 23; - if (!tf) - gen_op_movf(ccbit); + if (tf) + cond = TCG_COND_NE; else - gen_op_movt(ccbit); - gen_store_gpr(cpu_T[0], rd); + cond = TCG_COND_EQ; + + gen_load_gpr(t0, rd); + gen_load_gpr(t1, rs); + tcg_gen_ld_ptr(r_ptr, cpu_env, offsetof(CPUState, fpu)); + tcg_gen_ld_i32(r_tmp, r_ptr, offsetof(CPUMIPSFPUContext, fcr31)); + tcg_gen_andi_i32(r_tmp, r_tmp, ccbit); + tcg_gen_brcond_i32(cond, r_tmp, tcg_const_i32(0), l1); + tcg_gen_mov_tl(t0, t1); + gen_set_label(l1); + dead_tmp(r_tmp); + gen_store_gpr(t0, rd); } #define GEN_MOVCF(fmt) \ |