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-rw-r--r--llvm/lib/Target/R600/SIInstrInfo.td22
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/SIInstrInfo.td b/llvm/lib/Target/R600/SIInstrInfo.td
index cb16be5f2f7..4082b570c41 100644
--- a/llvm/lib/Target/R600/SIInstrInfo.td
+++ b/llvm/lib/Target/R600/SIInstrInfo.td
@@ -1300,6 +1300,28 @@ multiclass VOP3Inst <vop3 op, string opName, VOPProfile P,
P.NumSrcArgs, P.HasModifiers
>;
+// Special case for v_div_fmas_{f32|f64}, since it seems to be the
+// only VOP instruction that implicitly reads VCC.
+multiclass VOP3_VCC_Inst <vop3 op, string opName,
+ VOPProfile P,
+ SDPatternOperator node = null_frag> : VOP3_Helper <
+ op, opName,
+ P.Outs,
+ (ins InputModsNoDefault:$src0_modifiers, P.Src0RC64:$src0,
+ InputModsNoDefault:$src1_modifiers, P.Src1RC64:$src1,
+ InputModsNoDefault:$src2_modifiers, P.Src2RC64:$src2,
+ ClampMod:$clamp,
+ omod:$omod),
+ " $dst, $src0_modifiers, $src1_modifiers, $src2_modifiers"#"$clamp"#"$omod",
+ [(set P.DstVT:$dst,
+ (node (P.Src0VT (VOP3Mods0 P.Src0VT:$src0, i32:$src0_modifiers,
+ i1:$clamp, i32:$omod)),
+ (P.Src1VT (VOP3Mods P.Src1VT:$src1, i32:$src1_modifiers)),
+ (P.Src2VT (VOP3Mods P.Src2VT:$src2, i32:$src2_modifiers)),
+ (i1 VCC)))],
+ 3, 1
+>;
+
multiclass VOP3b_Helper <vop op, RegisterClass vrc, RegisterOperand arc,
string opName, list<dag> pattern> :
VOP3b_3_m <
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