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pan/bi: Lower umul_high

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Also lower uadd_carry, which the mul_high lowering generates.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8358>
This commit is contained in:
Icecream95 2020-12-29 11:21:27 +13:00 • committed by Marge Bot
parent 2e372d0c3b
commit 3f7e7495fc
2 changed files with 5 additions and 0 deletions
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2
src/panfrost/bifrost/bifrost_compile.c
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@ -2162,6 +2162,8 @@ bi_optimize_nir(nir_shader *nir)
NIR_PASS(progress, nir, nir_opt_algebraic);
NIR_PASS(progress, nir, nir_opt_constant_folding);
NIR_PASS(progress, nir, nir_lower_alu);
if (lower_flrp != 0) {
bool lower_flrp_progress = false;
NIR_PASS(lower_flrp_progress,

3
src/panfrost/bifrost/bifrost_compile.h
View file

@ -69,6 +69,9 @@ static const nir_shader_compiler_options bifrost_nir_options = {
.lower_doubles_options = nir_lower_dmod,
/* TODO: Don't lower supported 64-bit operations */
.lower_int64_options = ~0,
/* TODO: Use IMULD on v7 */
.lower_mul_high = true,
.lower_uadd_carry = true,
.lower_bitfield_extract_to_shifts = true,
.has_fsub = true,