@@ -146,6 +146,12 @@ static TCGv_i64 cpu_fpr[TARGET_DPREGS];
# define env64_field_offsetof(X) ({ qemu_build_not_reached(); 0; })
#endif
+typedef struct DisasCompare {
+ TCGCond cond;
+ TCGv c1;
+ int c2;
+} DisasCompare;
+
typedef struct DisasDelayException {
struct DisasDelayException *next;
TCGLabel *lab;
@@ -159,7 +165,11 @@ typedef struct DisasContext {
DisasContextBase base;
target_ulong pc; /* current Program Counter: integer or DYNAMIC_PC */
target_ulong npc; /* next PC: integer or DYNAMIC_PC or JUMP_PC */
- target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
+
+ /* Used when JUMP_PC value is used. */
+ DisasCompare jump;
+ target_ulong jump_pc[2];
+
int mem_idx;
bool fpu_enabled;
bool address_mask_32bit;
@@ -178,12 +188,6 @@ typedef struct DisasContext {
DisasDelayException *delay_excp_list;
} DisasContext;
-typedef struct {
- TCGCond cond;
- TCGv c1;
- int c2;
-} DisasCompare;
-
// This function uses non-native bit order
#define GET_FIELD(X, FROM, TO) \
((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
@@ -912,9 +916,9 @@ static void gen_generic_branch(DisasContext *dc)
{
TCGv npc0 = tcg_constant_tl(dc->jump_pc[0]);
TCGv npc1 = tcg_constant_tl(dc->jump_pc[1]);
- TCGv zero = tcg_constant_tl(0);
+ TCGv c2 = tcg_constant_tl(dc->jump.c2);
- tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, cpu_cond, zero, npc0, npc1);
+ tcg_gen_movcond_tl(dc->jump.cond, cpu_npc, dc->jump.c1, c2, npc0, npc1);
}
/* call this function before using the condition register as it may
@@ -2347,7 +2351,7 @@ static bool advance_pc(DisasContext *dc)
case JUMP_PC:
/* we can do a static jump */
l1 = gen_new_label();
- tcg_gen_brcondi_tl(TCG_COND_NE, cpu_cond, 0, l1);
+ tcg_gen_brcondi_tl(dc->jump.cond, dc->jump.c1, dc->jump.c2, l1);
/* jump not taken */
gen_goto_tb(dc, 1, dc->jump_pc[1], dc->jump_pc[1] + 4);
@@ -2434,9 +2438,10 @@ static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp,
}
} else {
dc->pc = npc;
+ dc->npc = JUMP_PC;
+ dc->jump = *cmp;
dc->jump_pc[0] = dest;
dc->jump_pc[1] = npc + 4;
- dc->npc = JUMP_PC;
/* The condition for cpu_cond is always NE -- normalize. */
if (cmp->cond == TCG_COND_NE) {
Use the original condition instead of consuming cpu_cond, which will now only be live along exception paths. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- target/sparc/translate.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-)