From 09f16de7e624938d46a63b8285fc5b21050962e9 Mon Sep 17 00:00:00 2001 From: Karol Herbst Date: Sun, 19 Mar 2017 01:08:56 +0100 Subject: [PATCH] nvc0/ir: treat FMA like MAD for operand propagation Helps mainly Feral-ported games, due to their use of fma() shader-db changes: total instructions in shared programs : 3901147 -> 3842505 (-1.50%) total gprs used in shared programs : 471258 -> 467359 (-0.83%) total local used in shared programs : 27405 -> 27361 (-0.16%) total bytes used in shared programs : 35749888 -> 35214176 (-1.50%) local gpr inst bytes helped 17 1829 4091 4091 hurt 4 44 3 3 Signed-off-by: Karol Herbst Reviewed-by: Ilia Mirkin Cc: mesa-stable@lists.freedesktop.org --- src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp index abdb328..1d2e4c3 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp @@ -105,6 +105,7 @@ static const struct opProperties _initProps[] = { OP_MAX, 0x3, 0x3, 0x0, 0x0, 0x2, 0x2 }, { OP_MIN, 0x3, 0x3, 0x0, 0x0, 0x2, 0x2 }, { OP_MAD, 0x7, 0x0, 0x0, 0x8, 0x6, 0x2 | 0x8 }, // special c[] constraint + { OP_FMA, 0x7, 0x0, 0x0, 0x8, 0x6, 0x2 | 0x8 }, // keep the same as OP_MAD { OP_SHLADD, 0x5, 0x0, 0x0, 0x0, 0x4, 0x6 }, { OP_MADSP, 0x0, 0x0, 0x0, 0x0, 0x6, 0x2 }, { OP_ABS, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0 }, -- 2.7.4