From f09ed63f4342846e361242233162799140674d5f Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Sat, 24 Oct 2015 16:30:30 -0700 Subject: [PATCH] vc4: Fix the test for skipping raw MOVs. I don't know what previous test was trying to do, but it dates back to the first add of vc4_qpu_emit.c. No change to shader-db. --- src/gallium/drivers/vc4/vc4_qir.c | 8 ++++++++ src/gallium/drivers/vc4/vc4_qir.h | 1 + src/gallium/drivers/vc4/vc4_qpu_emit.c | 2 +- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c index e7d0d664e19..3d3989fa95d 100644 --- a/src/gallium/drivers/vc4/vc4_qir.c +++ b/src/gallium/drivers/vc4/vc4_qir.c @@ -189,6 +189,14 @@ qir_is_mul(struct qinst *inst) } } +bool +qir_is_raw_mov(struct qinst *inst) +{ + return (inst->op == QOP_MOV && + !inst->dst.pack && + !inst->src[0].pack); +} + bool qir_is_tex(struct qinst *inst) { diff --git a/src/gallium/drivers/vc4/vc4_qir.h b/src/gallium/drivers/vc4/vc4_qir.h index fa1b50f3d10..aa4d9328f37 100644 --- a/src/gallium/drivers/vc4/vc4_qir.h +++ b/src/gallium/drivers/vc4/vc4_qir.h @@ -463,6 +463,7 @@ bool qir_has_side_effects(struct vc4_compile *c, struct qinst *inst); bool qir_has_side_effect_reads(struct vc4_compile *c, struct qinst *inst); bool qir_is_multi_instruction(struct qinst *inst); bool qir_is_mul(struct qinst *inst); +bool qir_is_raw_mov(struct qinst *inst); bool qir_is_tex(struct qinst *inst); bool qir_depends_on_flags(struct qinst *inst); bool qir_writes_r4(struct qinst *inst); diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index 4c81deb8eaa..2055fa5d231 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -266,7 +266,7 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) switch (qinst->op) { case QOP_MOV: /* Skip emitting the MOV if it's a no-op. */ - if (dst.mux == QPU_MUX_A || dst.mux == QPU_MUX_B || + if (qir_is_raw_mov(qinst) || dst.mux != src[0].mux || dst.addr != src[0].addr) { queue(c, qpu_a_MOV(dst, src[0])); } -- 2.30.2