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-rw-r--r--src/freedreno/ir3/ir3.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/freedreno/ir3/ir3.c b/src/freedreno/ir3/ir3.c
index f209585dd9a..1bded7dd122 100644
--- a/src/freedreno/ir3/ir3.c
+++ b/src/freedreno/ir3/ir3.c
@@ -451,10 +451,13 @@ static int emit_cat5(struct ir3_instruction *instr, void *ptr,
* than tex/sampler idx, we use the first src reg in the ir to hold
* samp_tex hvec2:
*/
- struct ir3_register *src1 = instr->regs[2];
- struct ir3_register *src2 = instr->regs[3];
+ struct ir3_register *src1;
+ struct ir3_register *src2;
instr_cat5_t *cat5 = ptr;
+ iassert((instr->regs_count == 2) ||
+ (instr->regs_count == 3) || (instr->regs_count == 4));
+
switch (instr->opc) {
case OPC_DSX:
case OPC_DSXPP_1:
@@ -462,11 +465,11 @@ static int emit_cat5(struct ir3_instruction *instr, void *ptr,
case OPC_DSYPP_1:
iassert((instr->flags & IR3_INSTR_S2EN) == 0);
src1 = instr->regs[1];
- src2 = instr->regs[2];
+ src2 = instr->regs_count > 2 ? instr->regs[2] : NULL;
break;
default:
src1 = instr->regs[2];
- src2 = instr->regs[3];
+ src2 = instr->regs_count > 3 ? instr->regs[3] : NULL;
break;
}