From: Marek Olšák Date: Wed, 13 Nov 2019 05:21:54 +0000 (-0500) Subject: radeonsi/nir: don't lower fma, instead, fuse fma X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bda3ec5d5507dd10a62e87fc676eeeac93446e3f;p=mesa.git radeonsi/nir: don't lower fma, instead, fuse fma We want fma. This decreases compile times by 4% for Borderlands 2. 48505 shaders in 30515 tests Totals: SGPRS: 2206584 -> 2204784 (-0.08 %) VGPRS: 1647892 -> 1648964 (0.07 %) Spilled SGPRs: 6256 -> 6078 (-2.85 %) Spilled VGPRs: 72 -> 72 (0.00 %) Private memory VGPRs: 2176 -> 2176 (0.00 %) Scratch size: 2240 -> 2240 (0.00 %) dwords per thread Code Size: 49680804 -> 49837988 (0.32 %) bytes LDS: 74 -> 74 (0.00 %) blocks Max Waves: 371387 -> 371352 (-0.01 %) Reviewed-by: Timothy Arceri --- diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c index 9458f6b959a..8dc13ee08b2 100644 --- a/src/gallium/drivers/radeonsi/si_get.c +++ b/src/gallium/drivers/radeonsi/si_get.c @@ -511,7 +511,7 @@ static const struct nir_shader_compiler_options nir_options = { .lower_bitfield_insert_to_bitfield_select = true, .lower_bitfield_extract = true, .lower_sub = true, - .lower_ffma = true, + .fuse_ffma = true, .lower_fmod = true, .lower_pack_snorm_4x8 = true, .lower_pack_unorm_4x8 = true,