aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--lib/Target/Mips/MipsMSAInstrInfo.td8
-rw-r--r--lib/Target/Mips/MipsSEISelLowering.cpp7
-rw-r--r--test/CodeGen/Mips/msa/arithmetic_float.ll40
3 files changed, 51 insertions, 4 deletions
diff --git a/lib/Target/Mips/MipsMSAInstrInfo.td b/lib/Target/Mips/MipsMSAInstrInfo.td
index f1d19a9..ee82b46 100644
--- a/lib/Target/Mips/MipsMSAInstrInfo.td
+++ b/lib/Target/Mips/MipsMSAInstrInfo.td
@@ -295,6 +295,8 @@ def vsplati64_simm5 : SplatComplexPattern<vsplat_simm5, v2i64, 1,
def vsplat_uimm_pow2 : ComplexPattern<vAny, 1, "selectVSplatUimmPow2",
[build_vector, bitconvert]>;
+def fms : PatFrag<(ops node:$wd, node:$ws, node:$wt),
+ (fsub node:$wd, (fmul node:$ws, node:$wt))>;
// Immediates
def immSExt5 : ImmLeaf<i32, [{return isInt<5>(Imm);}]>;
def immSExt10: ImmLeaf<i32, [{return isInt<10>(Imm);}]>;
@@ -1816,10 +1818,8 @@ class FMIN_A_W_DESC : MSA_3RF_DESC_BASE<"fmin_a.w", int_mips_fmin_a_w,
class FMIN_A_D_DESC : MSA_3RF_DESC_BASE<"fmin_a.d", int_mips_fmin_a_d,
MSA128DOpnd>;
-class FMSUB_W_DESC : MSA_3RF_4RF_DESC_BASE<"fmsub.w", int_mips_fmsub_w,
- MSA128WOpnd>;
-class FMSUB_D_DESC : MSA_3RF_4RF_DESC_BASE<"fmsub.d", int_mips_fmsub_d,
- MSA128DOpnd>;
+class FMSUB_W_DESC : MSA_3RF_4RF_DESC_BASE<"fmsub.w", fms, MSA128WOpnd>;
+class FMSUB_D_DESC : MSA_3RF_4RF_DESC_BASE<"fmsub.d", fms, MSA128DOpnd>;
class FMUL_W_DESC : MSA_3RF_DESC_BASE<"fmul.w", fmul, MSA128WOpnd>;
class FMUL_D_DESC : MSA_3RF_DESC_BASE<"fmul.d", fmul, MSA128DOpnd>;
diff --git a/lib/Target/Mips/MipsSEISelLowering.cpp b/lib/Target/Mips/MipsSEISelLowering.cpp
index 96c0843..cdfc05c 100644
--- a/lib/Target/Mips/MipsSEISelLowering.cpp
+++ b/lib/Target/Mips/MipsSEISelLowering.cpp
@@ -1341,6 +1341,13 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op,
case Intrinsic::mips_fmul_d:
return DAG.getNode(ISD::FMUL, DL, Op->getValueType(0), Op->getOperand(1),
Op->getOperand(2));
+ case Intrinsic::mips_fmsub_w:
+ case Intrinsic::mips_fmsub_d: {
+ EVT ResTy = Op->getValueType(0);
+ return DAG.getNode(ISD::FSUB, SDLoc(Op), ResTy, Op->getOperand(1),
+ DAG.getNode(ISD::FMUL, SDLoc(Op), ResTy,
+ Op->getOperand(2), Op->getOperand(3)));
+ }
case Intrinsic::mips_frint_w:
case Intrinsic::mips_frint_d:
return DAG.getNode(ISD::FRINT, DL, Op->getValueType(0), Op->getOperand(1));
diff --git a/test/CodeGen/Mips/msa/arithmetic_float.ll b/test/CodeGen/Mips/msa/arithmetic_float.ll
index 70167ef..4392c77 100644
--- a/test/CodeGen/Mips/msa/arithmetic_float.ll
+++ b/test/CodeGen/Mips/msa/arithmetic_float.ll
@@ -136,6 +136,46 @@ define void @fma_v2f64(<2 x double>* %d, <2 x double>* %a, <2 x double>* %b,
; CHECK: .size fma_v2f64
}
+define void @fmsub_v4f32(<4 x float>* %d, <4 x float>* %a, <4 x float>* %b,
+ <4 x float>* %c) nounwind {
+ ; CHECK: fmsub_v4f32:
+
+ %1 = load <4 x float>* %a
+ ; CHECK-DAG: ld.w [[R1:\$w[0-9]+]], 0($5)
+ %2 = load <4 x float>* %b
+ ; CHECK-DAG: ld.w [[R2:\$w[0-9]+]], 0($6)
+ %3 = load <4 x float>* %c
+ ; CHECK-DAG: ld.w [[R3:\$w[0-9]+]], 0($7)
+ %4 = fmul <4 x float> %2, %3
+ %5 = fsub <4 x float> %1, %4
+ ; CHECK-DAG: fmsub.w [[R1]], [[R2]], [[R3]]
+ store <4 x float> %5, <4 x float>* %d
+ ; CHECK-DAG: st.w [[R1]], 0($4)
+
+ ret void
+ ; CHECK: .size fmsub_v4f32
+}
+
+define void @fmsub_v2f64(<2 x double>* %d, <2 x double>* %a, <2 x double>* %b,
+ <2 x double>* %c) nounwind {
+ ; CHECK: fmsub_v2f64:
+
+ %1 = load <2 x double>* %a
+ ; CHECK-DAG: ld.d [[R1:\$w[0-9]+]], 0($5)
+ %2 = load <2 x double>* %b
+ ; CHECK-DAG: ld.d [[R2:\$w[0-9]+]], 0($6)
+ %3 = load <2 x double>* %c
+ ; CHECK-DAG: ld.d [[R3:\$w[0-9]+]], 0($7)
+ %4 = fmul <2 x double> %2, %3
+ %5 = fsub <2 x double> %1, %4
+ ; CHECK-DAG: fmsub.d [[R1]], [[R2]], [[R3]]
+ store <2 x double> %5, <2 x double>* %d
+ ; CHECK-DAG: st.d [[R1]], 0($4)
+
+ ret void
+ ; CHECK: .size fmsub_v2f64
+}
+
define void @fdiv_v4f32(<4 x float>* %c, <4 x float>* %a, <4 x float>* %b) nounwind {
; CHECK: fdiv_v4f32: