From 72fa2ae20b979ced1b4dde16f81b28d02a2e3b7b Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 26 Oct 2015 14:16:19 -0700 Subject: [PATCH] vc4: Move dst pack setup out to a helper function with more asserts. --- src/gallium/drivers/vc4/vc4_qpu_emit.c | 32 ++++++++++++++++++-------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/src/gallium/drivers/vc4/vc4_qpu_emit.c b/src/gallium/drivers/vc4/vc4_qpu_emit.c index a3eff844137..7d4144ac30f 100644 --- a/src/gallium/drivers/vc4/vc4_qpu_emit.c +++ b/src/gallium/drivers/vc4/vc4_qpu_emit.c @@ -125,6 +125,27 @@ fixup_raddr_conflict(struct vc4_compile *c, } } +static void +set_last_dst_pack(struct vc4_compile *c, struct qinst *inst) +{ + bool had_pm = *last_inst(c) & QPU_PM; + bool had_ws = *last_inst(c) & QPU_WS; + uint32_t unpack = QPU_GET_FIELD(*last_inst(c), QPU_UNPACK); + + if (!inst->dst.pack) + return; + + *last_inst(c) |= QPU_SET_FIELD(inst->dst.pack, QPU_PACK); + + if (qir_is_mul(inst)) { + assert(!unpack || had_pm); + *last_inst(c) |= QPU_PM; + } else { + assert(!unpack || !had_pm); + assert(!had_ws); /* dst must be a-file to pack. */ + } +} + void vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) { @@ -450,21 +471,12 @@ vc4_generate_code(struct vc4_context *vc4, struct vc4_compile *c) queue(c, qpu_m_alu2(translate[qinst->op].op, dst, src[0], src[1])); - if (qinst->dst.pack) { - *last_inst(c) |= QPU_PM; - *last_inst(c) |= QPU_SET_FIELD(qinst->dst.pack, - QPU_PACK); - } } else { queue(c, qpu_a_alu2(translate[qinst->op].op, dst, src[0], src[1])); - if (qinst->dst.pack) { - assert(dst.mux == QPU_MUX_A); - *last_inst(c) |= QPU_SET_FIELD(qinst->dst.pack, - QPU_PACK); - } } + set_last_dst_pack(c, qinst); break; } -- 2.30.2