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authorEric Anholt <eric@anholt.net>2018-01-19 09:06:26 -0800
committerEric Anholt <eric@anholt.net>2018-02-01 11:02:29 -0800
commit353b42ccc745453dffe742d766831248f77d6e39 (patch)
tree8fb2fa5d74f06fd26ee47e69446717cbbba42cc7 /src
parenteb765394c2fd8232158fe02c8644309657dc1fe3 (diff)
broadcom/vc5: Fix a segfault on mix of booleans.
We don't have a src1 to look up if the compare instruction is "i2b".
Diffstat (limited to 'src')
-rw-r--r--src/broadcom/compiler/nir_to_vir.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index 0e2e8e2daa..6bb2774143 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -528,7 +528,9 @@ ntq_emit_comparison(struct v3d_compile *c, struct qreg *dest,
nir_alu_instr *sel_instr)
{
struct qreg src0 = ntq_get_alu_src(c, compare_instr, 0);
- struct qreg src1 = ntq_get_alu_src(c, compare_instr, 1);
+ struct qreg src1;
+ if (nir_op_infos[compare_instr->op].num_inputs > 1)
+ src1 = ntq_get_alu_src(c, compare_instr, 1);
bool cond_invert = false;
switch (compare_instr->op) {