Module: Mesa
Branch: master
Commit: 7c9fc439150188612c7fe595cbe0180fcea3e705
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c9fc439150188612c7fe595cbe0180fcea3e705
Author: Eric Anholt <e...@anholt.net>
Date: Tue Mar 15 18:58:43 2016 -0700
vc4: Don't make a temporary for setting flags.
The register allocator doesn't really do anything about the temp, so it
doesn't seem like it should matter. However, the scheduler would think
that a new def is being created.
This doesn't change anything yet, but it avoids a bunch of regressions in
the next commit.
---
src/gallium/drivers/vc4/vc4_qir.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/vc4/vc4_qir.c
b/src/gallium/drivers/vc4/vc4_qir.c
index fd1192f..125a952 100644
--- a/src/gallium/drivers/vc4/vc4_qir.c
+++ b/src/gallium/drivers/vc4/vc4_qir.c
@@ -495,7 +495,8 @@ qir_SF(struct vc4_compile *c, struct qreg src)
!c->defs[src.index] ||
last_inst != c->defs[src.index] ||
qir_is_multi_instruction(last_inst)) {
- src = qir_MOV(c, src);
+ struct qreg null = { QFILE_NULL, 0 };
+ last_inst = qir_MOV_dest(c, null, src);
last_inst = (struct qinst *)c->instructions.prev;
}
last_inst->sf = true;
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