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-rw-r--r--target-sparc/translate.c92
1 files changed, 83 insertions, 9 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index d759da2..d61a9a0 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -86,6 +86,13 @@ typedef struct DisasContext {
int n_t32;
} DisasContext;
+typedef struct {
+ TCGCond cond;
+ bool is_bool;
+ bool g1, g2;
+ TCGv c1, c2;
+} DisasCompare;
+
// This function uses non-native bit order
#define GET_FIELD(X, FROM, TO) \
((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
@@ -1166,10 +1173,28 @@ static inline void gen_op_next_insn(void)
tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
}
-static inline void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
- DisasContext *dc)
+static void free_compare(DisasCompare *cmp)
+{
+ if (!cmp->g1) {
+ tcg_temp_free(cmp->c1);
+ }
+ if (!cmp->g2) {
+ tcg_temp_free(cmp->c2);
+ }
+}
+
+static void gen_compare(DisasCompare *cmp, unsigned int cc, unsigned int cond,
+ DisasContext *dc)
{
TCGv_i32 r_src;
+ TCGv r_dst;
+
+ /* For now we still generate a straight boolean result. */
+ cmp->cond = TCG_COND_NE;
+ cmp->is_bool = true;
+ cmp->g1 = cmp->g2 = false;
+ cmp->c1 = r_dst = tcg_temp_new();
+ cmp->c2 = tcg_const_tl(0);
#ifdef TARGET_SPARC64
if (cc)
@@ -1239,9 +1264,17 @@ static inline void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
}
}
-static inline void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
+static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
{
unsigned int offset;
+ TCGv r_dst;
+
+ /* For now we still generate a straight boolean result. */
+ cmp->cond = TCG_COND_NE;
+ cmp->is_bool = true;
+ cmp->g1 = cmp->g2 = false;
+ cmp->c1 = r_dst = tcg_temp_new();
+ cmp->c2 = tcg_const_tl(0);
switch (cc) {
default:
@@ -1311,6 +1344,37 @@ static inline void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
}
}
+static void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond,
+ DisasContext *dc)
+{
+ DisasCompare cmp;
+ gen_compare(&cmp, cc, cond, dc);
+
+ /* The interface is to return a boolean in r_dst. */
+ if (cmp.is_bool) {
+ tcg_gen_mov_tl(r_dst, cmp.c1);
+ } else {
+ tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
+ }
+
+ free_compare(&cmp);
+}
+
+static void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
+{
+ DisasCompare cmp;
+ gen_fcompare(&cmp, cc, cond);
+
+ /* The interface is to return a boolean in r_dst. */
+ if (cmp.is_bool) {
+ tcg_gen_mov_tl(r_dst, cmp.c1);
+ } else {
+ tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
+ }
+
+ free_compare(&cmp);
+}
+
#ifdef TARGET_SPARC64
// Inverted logic
static const int gen_tcg_cond_reg[8] = {
@@ -1324,15 +1388,25 @@ static const int gen_tcg_cond_reg[8] = {
TCG_COND_LT,
};
+static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
+{
+ cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
+ cmp->is_bool = false;
+ cmp->g1 = true;
+ cmp->g2 = false;
+ cmp->c1 = r_src;
+ cmp->c2 = tcg_const_tl(0);
+}
+
static inline void gen_cond_reg(TCGv r_dst, int cond, TCGv r_src)
{
- int l1;
+ DisasCompare cmp;
+ gen_compare_reg(&cmp, cond, r_src);
- l1 = gen_new_label();
- tcg_gen_movi_tl(r_dst, 0);
- tcg_gen_brcondi_tl(gen_tcg_cond_reg[cond], r_src, 0, l1);
- tcg_gen_movi_tl(r_dst, 1);
- gen_set_label(l1);
+ /* The interface is to return a boolean in r_dst. */
+ tcg_gen_setcond_tl(cmp.cond, r_dst, cmp.c1, cmp.c2);
+
+ free_compare(&cmp);
}
#endif