summaryrefslogtreecommitdiff
path: root/target-sparc
diff options
context:
space:
mode:
Diffstat (limited to 'target-sparc')
-rw-r--r--target-sparc/translate.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 0bc1a82706..23f95191ad 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -662,50 +662,53 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
-static inline void gen_op_umul(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();
- tcg_gen_extu_tl_i64(r_temp, src2);
- tcg_gen_extu_tl_i64(r_temp2, src1);
+ if (sign_ext) {
+ tcg_gen_ext_i32_i64(r_temp, r_src2);
+ tcg_gen_ext_i32_i64(r_temp2, r_src1);
+ } else {
+ tcg_gen_extu_i32_i64(r_temp, r_src2);
+ tcg_gen_extu_i32_i64(r_temp2, r_src1);
+ }
+
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_tmp0, r_temp);
tcg_temp_free_i64(r_temp);
tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
-#ifdef TARGET_SPARC64
- tcg_gen_mov_i64(dst, r_temp2);
-#else
+
tcg_gen_trunc_i64_tl(dst, r_temp2);
-#endif
+
tcg_temp_free_i64(r_temp2);
+
+ tcg_temp_free_i32(r_src1);
+ tcg_temp_free_i32(r_src2);
}
-static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
+static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)
{
- TCGv_i64 r_temp, r_temp2;
-
- r_temp = tcg_temp_new_i64();
- r_temp2 = tcg_temp_new_i64();
-
- tcg_gen_ext_tl_i64(r_temp, src2);
- tcg_gen_ext_tl_i64(r_temp2, src1);
- tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
+ /* zero-extend truncated operands before multiplication */
+ gen_op_multiply(dst, src1, src2, 0);
+}
- tcg_gen_shri_i64(r_temp, r_temp2, 32);
- tcg_gen_trunc_i64_tl(cpu_tmp0, r_temp);
- tcg_temp_free_i64(r_temp);
- tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
-#ifdef TARGET_SPARC64
- tcg_gen_mov_i64(dst, r_temp2);
-#else
- tcg_gen_trunc_i64_tl(dst, r_temp2);
-#endif
- tcg_temp_free_i64(r_temp2);
+static inline void gen_op_smul(TCGv dst, TCGv src1, TCGv src2)
+{
+ /* sign-extend truncated operands before multiplication */
+ gen_op_multiply(dst, src1, src2, 1);
}
#ifdef TARGET_SPARC64