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authorRichard Henderson <rth@twiddle.net>2012-10-05 16:54:59 -0700
committerBlue Swirl <blauwirbel@gmail.com>2012-10-07 16:39:32 +0000
commit7e480893cc3eb9f307199517f0e1d5c8e72a030f (patch)
tree1f9f815b796d60e9d67d55a1f85af33384e95076 /target-sparc
parent3a49e7598b78bca019e35c42590914faab2a817a (diff)
target-sparc: Use DisasCompare and movcond in FMOVR, FMOVCC
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
-rw-r--r--target-sparc/translate.c203
1 files changed, 86 insertions, 117 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index fa9a05799c..a7cd67767f 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2281,6 +2281,57 @@ static inline TCGv get_src2(unsigned int insn, TCGv def)
}
#ifdef TARGET_SPARC64
+static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
+{
+ TCGv_i32 c32, zero, dst, s1, s2;
+
+ /* We have two choices here: extend the 32 bit data and use movcond_i64,
+ or fold the comparison down to 32 bits and use movcond_i32. Choose
+ the later. */
+ c32 = tcg_temp_new_i32();
+ if (cmp->is_bool) {
+ tcg_gen_trunc_i64_i32(c32, cmp->c1);
+ } else {
+ TCGv_i64 c64 = tcg_temp_new_i64();
+ tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
+ tcg_gen_trunc_i64_i32(c32, c64);
+ tcg_temp_free_i64(c64);
+ }
+
+ s1 = gen_load_fpr_F(dc, rs);
+ s2 = gen_load_fpr_F(dc, rd);
+ dst = gen_dest_fpr_F();
+ zero = tcg_const_i32(0);
+
+ tcg_gen_movcond_i32(TCG_COND_NE, dst, c32, zero, s1, s2);
+
+ tcg_temp_free_i32(c32);
+ tcg_temp_free_i32(zero);
+ gen_store_fpr_F(dc, rd, dst);
+}
+
+static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
+{
+ TCGv_i64 dst = gen_dest_fpr_D();
+ tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
+ gen_load_fpr_D(dc, rs),
+ gen_load_fpr_D(dc, rd));
+ gen_store_fpr_D(dc, rd, dst);
+}
+
+static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
+{
+ int qd = QFPREG(rd);
+ int qs = QFPREG(rs);
+
+ tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
+ cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
+ tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
+ cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
+
+ gen_update_fprs_dirty(qd);
+}
+
static inline void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr, TCGv_ptr cpu_env)
{
TCGv_i32 r_tl = tcg_temp_new_i32();
@@ -3163,168 +3214,86 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
#endif
switch (xop) {
#ifdef TARGET_SPARC64
-#define FMOVSCC(fcc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
- cond = GET_FIELD_SP(insn, 14, 17); \
- gen_fcond(r_cond, fcc, cond); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- cpu_src1_32 = gen_load_fpr_F(dc, rs2); \
- gen_store_fpr_F(dc, rd, cpu_src1_32); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
-#define FMOVDCC(fcc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
- cond = GET_FIELD_SP(insn, 14, 17); \
- gen_fcond(r_cond, fcc, cond); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- cpu_src1_64 = gen_load_fpr_D(dc, rs2); \
- gen_store_fpr_D(dc, rd, cpu_src1_64); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
-#define FMOVQCC(fcc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
+#define FMOVCC(fcc, sz) \
+ do { \
+ DisasCompare cmp; \
cond = GET_FIELD_SP(insn, 14, 17); \
- gen_fcond(r_cond, fcc, cond); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- gen_move_Q(rd, rs2); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
+ gen_fcompare(&cmp, fcc, cond); \
+ gen_fmov##sz(dc, &cmp, rd, rs2); \
+ free_compare(&cmp); \
+ } while (0)
+
case 0x001: /* V9 fmovscc %fcc0 */
- FMOVSCC(0);
+ FMOVCC(0, s);
break;
case 0x002: /* V9 fmovdcc %fcc0 */
- FMOVDCC(0);
+ FMOVCC(0, d);
break;
case 0x003: /* V9 fmovqcc %fcc0 */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(0);
+ FMOVCC(0, q);
break;
case 0x041: /* V9 fmovscc %fcc1 */
- FMOVSCC(1);
+ FMOVCC(1, s);
break;
case 0x042: /* V9 fmovdcc %fcc1 */
- FMOVDCC(1);
+ FMOVCC(1, d);
break;
case 0x043: /* V9 fmovqcc %fcc1 */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(1);
+ FMOVCC(1, q);
break;
case 0x081: /* V9 fmovscc %fcc2 */
- FMOVSCC(2);
+ FMOVCC(2, s);
break;
case 0x082: /* V9 fmovdcc %fcc2 */
- FMOVDCC(2);
+ FMOVCC(2, d);
break;
case 0x083: /* V9 fmovqcc %fcc2 */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(2);
+ FMOVCC(2, q);
break;
case 0x0c1: /* V9 fmovscc %fcc3 */
- FMOVSCC(3);
+ FMOVCC(3, s);
break;
case 0x0c2: /* V9 fmovdcc %fcc3 */
- FMOVDCC(3);
+ FMOVCC(3, d);
break;
case 0x0c3: /* V9 fmovqcc %fcc3 */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(3);
+ FMOVCC(3, q);
break;
-#undef FMOVSCC
-#undef FMOVDCC
-#undef FMOVQCC
-#define FMOVSCC(icc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
- cond = GET_FIELD_SP(insn, 14, 17); \
- gen_cond(r_cond, icc, cond, dc); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- cpu_src1_32 = gen_load_fpr_F(dc, rs2); \
- gen_store_fpr_F(dc, rd, cpu_src1_32); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
-#define FMOVDCC(icc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
+#undef FMOVCC
+#define FMOVCC(xcc, sz) \
+ do { \
+ DisasCompare cmp; \
cond = GET_FIELD_SP(insn, 14, 17); \
- gen_cond(r_cond, icc, cond, dc); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- cpu_src1_64 = gen_load_fpr_D(dc, rs2); \
- gen_store_fpr_D(dc, rd, cpu_src1_64); \
- gen_update_fprs_dirty(DFPREG(rd)); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
-#define FMOVQCC(icc) \
- { \
- TCGv r_cond; \
- int l1; \
- \
- l1 = gen_new_label(); \
- r_cond = tcg_temp_new(); \
- cond = GET_FIELD_SP(insn, 14, 17); \
- gen_cond(r_cond, icc, cond, dc); \
- tcg_gen_brcondi_tl(TCG_COND_EQ, r_cond, \
- 0, l1); \
- gen_move_Q(rd, rs2); \
- gen_set_label(l1); \
- tcg_temp_free(r_cond); \
- }
+ gen_compare(&cmp, xcc, cond, dc); \
+ gen_fmov##sz(dc, &cmp, rd, rs2); \
+ free_compare(&cmp); \
+ } while (0)
case 0x101: /* V9 fmovscc %icc */
- FMOVSCC(0);
+ FMOVCC(0, s);
break;
case 0x102: /* V9 fmovdcc %icc */
- FMOVDCC(0);
+ FMOVCC(0, d);
break;
case 0x103: /* V9 fmovqcc %icc */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(0);
+ FMOVCC(0, q);
break;
case 0x181: /* V9 fmovscc %xcc */
- FMOVSCC(1);
+ FMOVCC(1, s);
break;
case 0x182: /* V9 fmovdcc %xcc */
- FMOVDCC(1);
+ FMOVCC(1, d);
break;
case 0x183: /* V9 fmovqcc %xcc */
CHECK_FPU_FEATURE(dc, FLOAT128);
- FMOVQCC(1);
+ FMOVCC(1, q);
break;
-#undef FMOVSCC
-#undef FMOVDCC
-#undef FMOVQCC
+#undef FMOVCC
#endif
case 0x51: /* fcmps, V9 %fcc */
cpu_src1_32 = gen_load_fpr_F(dc, rs1);