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authorKarol Herbst <[email protected]>2017-03-19 01:08:56 +0100
committerIlia Mirkin <[email protected]>2017-03-18 20:15:45 -0400
commit09f16de7e624938d46a63b8285fc5b21050962e9 (patch)
treef8988ea75b81f5d75f5e69e71ff2ba941b16753f
parenta7eb7984bf2ad0562c315c1d641561419c3f1ebe (diff)
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 <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]> Cc: [email protected]
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp1
1 files changed, 1 insertions, 0 deletions
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 abdb3289499..1d2e4c3c090 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 },