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target-mips: optimize gen_flt3_arith()

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7045 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-04-08 21:48:18 +00:00
parent 4e2474d677
commit c905fdacb4
1 changed files with 16 additions and 18 deletions
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34
target-mips/translate.c
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@ -7259,39 +7259,37 @@ static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
check_cp1_64bitmode(ctx);
{
TCGv t0 = tcg_temp_local_new();
TCGv_i32 fp0 = tcg_temp_local_new_i32();
TCGv_i32 fph0 = tcg_temp_local_new_i32();
TCGv_i32 fp1 = tcg_temp_local_new_i32();
TCGv_i32 fph1 = tcg_temp_local_new_i32();
TCGv_i32 fp = tcg_temp_new_i32();
TCGv_i32 fph = tcg_temp_new_i32();
int l1 = gen_new_label();
int l2 = gen_new_label();
gen_load_gpr(t0, fr);
tcg_gen_andi_tl(t0, t0, 0x7);
gen_load_fpr32(fp0, fs);
gen_load_fpr32h(fph0, fs);
gen_load_fpr32(fp1, ft);
gen_load_fpr32h(fph1, ft);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
gen_store_fpr32(fp0, fd);
gen_store_fpr32h(fph0, fd);
gen_load_fpr32(fp, fs);
gen_load_fpr32h(fph, fs);
gen_store_fpr32(fp, fd);
gen_store_fpr32h(fph, fd);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
tcg_temp_free(t0);
#ifdef TARGET_WORDS_BIGENDIAN
gen_store_fpr32(fph1, fd);
gen_store_fpr32h(fp0, fd);
gen_load_fpr32(fp, fs);
gen_load_fpr32h(fph, ft);
gen_store_fpr32h(fp, fd);
gen_store_fpr32(fph, fd);
#else
gen_store_fpr32(fph0, fd);
gen_store_fpr32h(fp1, fd);
gen_load_fpr32h(fph, fs);
gen_load_fpr32(fp, ft);
gen_store_fpr32(fph, fd);
gen_store_fpr32h(fp, fd);
#endif
gen_set_label(l2);
tcg_temp_free_i32(fp0);
tcg_temp_free_i32(fph0);
tcg_temp_free_i32(fp1);
tcg_temp_free_i32(fph1);
tcg_temp_free_i32(fp);
tcg_temp_free_i32(fph);
}
opn = "alnv.ps";
break;