From: Tom Stellard <thomas.stell...@amd.com>
NOTE: This is a candidate for the Mesa stable branches
---
lib/Target/R600/R600Instructions.td | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/lib/Target/R600/R600Instructions.td
b/lib/Target/R600/R600Instructions.td
index d307ed2..07ee6f0 100644
--- a/lib/Target/R600/R600Instructions.td
+++ b/lib/Target/R600/R600Instructions.td
@@ -1109,6 +1109,11 @@ class TGSI_LIT_Z_Common <InstR600 mul_lit, InstR600
log_clamped, InstR600 exp_ie
(exp_ieee (mul_lit (log_clamped (MAX R600_Reg32:$src_y, (f32 ZERO))),
R600_Reg32:$src_w, R600_Reg32:$src_x))
>;
+class FMAPat <InstR600 muladd> : Pat<
+ (fma R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2),
+ (muladd R600_Reg32:$src0, R600_Reg32:$src1, R600_Reg32:$src2)
+>;
+
//===----------------------------------------------------------------------===//
// R600 / R700 Instructions
//===----------------------------------------------------------------------===//
@@ -1167,6 +1172,7 @@ let Predicates = [isR600] in {
let Word1{31} = 1; // BARRIER
}
defm : SteamOutputExportPattern<R600_ExportBuf, 0x20, 0x21, 0x22, 0x23>;
+ def : FMAPat <MULADD_r600>;
}
// Helper pattern for normalizing inputs to triginomic instructions for R700+
@@ -1320,6 +1326,7 @@ let hasSideEffects = 1 in {
let Word1{31} = 1; // BARRIER
}
defm : SteamOutputExportPattern<EG_ExportBuf, 0x40, 0x41, 0x42, 0x43>;
+ def : FMAPat <MULADD_eg>;
//===----------------------------------------------------------------------===//
// Memory read/write instructions
--
1.7.8.6
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