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authorRichard Henderson <rth@twiddle.net>2013-02-19 23:52:22 -0800
committerBlue Swirl <blauwirbel@gmail.com>2013-02-23 17:25:30 +0000
commit528692a8a4fb6c545d818957e758d6ad70fa255c (patch)
tree2dacb006dc640b629ed6f9bfbdbcb8b465265f32
parent15fe216fc510c2a0ecf39536bbbc92ba75beb963 (diff)
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target-sparc: Use mul*2 for multiply
Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
-rw-r--r--target-sparc/translate.c45
1 files changed, 18 insertions, 27 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index a5678b0..12276d5 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -642,39 +642,30 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext)
{
- TCGv_i32 r_src1, r_src2;
- TCGv_i64 r_temp, r_temp2;
-
- r_src1 = tcg_temp_new_i32();
- r_src2 = tcg_temp_new_i32();
-
- tcg_gen_trunc_tl_i32(r_src1, src1);
- tcg_gen_trunc_tl_i32(r_src2, src2);
-
- r_temp = tcg_temp_new_i64();
- r_temp2 = tcg_temp_new_i64();
-
+#if TARGET_LONG_BITS == 32
if (sign_ext) {
- tcg_gen_ext_i32_i64(r_temp, r_src2);
- tcg_gen_ext_i32_i64(r_temp2, r_src1);
+ tcg_gen_muls2_tl(dst, cpu_y, src1, src2);
} else {
- tcg_gen_extu_i32_i64(r_temp, r_src2);
- tcg_gen_extu_i32_i64(r_temp2, r_src1);
+ tcg_gen_mulu2_tl(dst, cpu_y, src1, src2);
}
+#else
+ TCGv t0 = tcg_temp_new_i64();
+ TCGv t1 = tcg_temp_new_i64();
- tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
-
- tcg_gen_shri_i64(r_temp, r_temp2, 32);
- tcg_gen_trunc_i64_tl(cpu_y, r_temp);
- tcg_temp_free_i64(r_temp);
- tcg_gen_andi_tl(cpu_y, cpu_y, 0xffffffff);
-
- tcg_gen_trunc_i64_tl(dst, r_temp2);
+ if (sign_ext) {
+ tcg_gen_ext32s_i64(t0, src1);
+ tcg_gen_ext32s_i64(t1, src2);
+ } else {
+ tcg_gen_ext32u_i64(t0, src1);
+ tcg_gen_ext32u_i64(t1, src2);
+ }
- tcg_temp_free_i64(r_temp2);
+ tcg_gen_mul_i64(dst, t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
- tcg_temp_free_i32(r_src1);
- tcg_temp_free_i32(r_src2);
+ tcg_gen_shri_i64(cpu_y, dst, 32);
+#endif
}
static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)