// FMA3 - Intel 3 operand Fused Multiply-Add instructions
//===----------------------------------------------------------------------===//
-let Constraints = "$src1 = $dst" in {
+// For all FMA opcodes declared in fma3p_rm and fma3s_rm milticlasses defined
+// below, both the register and memory variants are commutable.
+// For the register form the commutable operands are 1, 2 and 3.
+// For the memory variant the folded operand must be in 3. Thus,
+// in that case, only the operands 1 and 2 can be swapped.
+// Commuting some of operands may require the opcode change.
+// FMA*213*:
+// operands 1 and 2 (memory & register forms): *213* --> *213*(no changes);
+// operands 1 and 3 (register forms only): *213* --> *231*;
+// operands 2 and 3 (register forms only): *213* --> *132*.
+// FMA*132*:
+// operands 1 and 2 (memory & register forms): *132* --> *231*;
+// operands 1 and 3 (register forms only): *132* --> *132*(no changes);
+// operands 2 and 3 (register forms only): *132* --> *213*.
+// FMA*231*:
+// operands 1 and 2 (memory & register forms): *231* --> *132*;
+// operands 1 and 3 (register forms only): *231* --> *213*;
+// operands 2 and 3 (register forms only): *231* --> *231*(no changes).
+
+let Constraints = "$src1 = $dst", hasSideEffects = 0, isCommutable = 1 in
multiclass fma3p_rm<bits<8> opc, string OpcodeStr,
PatFrag MemFrag128, PatFrag MemFrag256,
ValueType OpVT128, ValueType OpVT256,
- SDPatternOperator Op = null_frag, bit MayLoad = 1> {
+ SDPatternOperator Op = null_frag> {
+ let usesCustomInserter = 1 in
def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
[(set VR128:$dst, (OpVT128 (Op VR128:$src2,
VR128:$src1, VR128:$src3)))]>;
- let mayLoad = MayLoad in
+ let mayLoad = 1 in
def m : FMA3<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
!strconcat(OpcodeStr,
[(set VR128:$dst, (OpVT128 (Op VR128:$src2, VR128:$src1,
(MemFrag128 addr:$src3))))]>;
+ let usesCustomInserter = 1 in
def rY : FMA3<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR256:$dst, (OpVT256 (Op VR256:$src2, VR256:$src1,
- VR256:$src3)))]>;
+ VR256:$src3)))]>, VEX_L;
- let mayLoad = MayLoad in
+ let mayLoad = 1 in
def mY : FMA3<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set VR256:$dst,
(OpVT256 (Op VR256:$src2, VR256:$src1,
- (MemFrag256 addr:$src3))))]>;
+ (MemFrag256 addr:$src3))))]>, VEX_L;
}
-} // Constraints = "$src1 = $dst"
multiclass fma3p_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
string OpcodeStr, string PackTy,
PatFrag MemFrag128, PatFrag MemFrag256,
SDNode Op, ValueType OpTy128, ValueType OpTy256> {
defm r213 : fma3p_rm<opc213,
- !strconcat(OpcodeStr, !strconcat("213", PackTy)),
- MemFrag128, MemFrag256, OpTy128, OpTy256, Op, 0>;
-let neverHasSideEffects = 1 in {
+ !strconcat(OpcodeStr, "213", PackTy),
+ MemFrag128, MemFrag256, OpTy128, OpTy256, Op>;
defm r132 : fma3p_rm<opc132,
- !strconcat(OpcodeStr, !strconcat("132", PackTy)),
+ !strconcat(OpcodeStr, "132", PackTy),
MemFrag128, MemFrag256, OpTy128, OpTy256>;
defm r231 : fma3p_rm<opc231,
- !strconcat(OpcodeStr, !strconcat("231", PackTy)),
+ !strconcat(OpcodeStr, "231", PackTy),
MemFrag128, MemFrag256, OpTy128, OpTy256>;
-} // neverHasSideEffects = 1
}
// Fused Multiply-Add
let ExeDomain = SSEPackedSingle in {
- defm VFMADDPS : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", memopv4f32,
- memopv8f32, X86Fmadd, v4f32, v8f32>;
- defm VFMSUBPS : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", memopv4f32,
- memopv8f32, X86Fmsub, v4f32, v8f32>;
+ defm VFMADDPS : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "ps", loadv4f32,
+ loadv8f32, X86Fmadd, v4f32, v8f32>;
+ defm VFMSUBPS : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "ps", loadv4f32,
+ loadv8f32, X86Fmsub, v4f32, v8f32>;
defm VFMADDSUBPS : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "ps",
- memopv4f32, memopv8f32, X86Fmaddsub,
+ loadv4f32, loadv8f32, X86Fmaddsub,
v4f32, v8f32>;
defm VFMSUBADDPS : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "ps",
- memopv4f32, memopv8f32, X86Fmsubadd,
+ loadv4f32, loadv8f32, X86Fmsubadd,
v4f32, v8f32>;
}
let ExeDomain = SSEPackedDouble in {
- defm VFMADDPD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", memopv2f64,
- memopv4f64, X86Fmadd, v2f64, v4f64>, VEX_W;
- defm VFMSUBPD : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", memopv2f64,
- memopv4f64, X86Fmsub, v2f64, v4f64>, VEX_W;
+ defm VFMADDPD : fma3p_forms<0x98, 0xA8, 0xB8, "vfmadd", "pd", loadv2f64,
+ loadv4f64, X86Fmadd, v2f64, v4f64>, VEX_W;
+ defm VFMSUBPD : fma3p_forms<0x9A, 0xAA, 0xBA, "vfmsub", "pd", loadv2f64,
+ loadv4f64, X86Fmsub, v2f64, v4f64>, VEX_W;
defm VFMADDSUBPD : fma3p_forms<0x96, 0xA6, 0xB6, "vfmaddsub", "pd",
- memopv2f64, memopv4f64, X86Fmaddsub,
+ loadv2f64, loadv4f64, X86Fmaddsub,
v2f64, v4f64>, VEX_W;
defm VFMSUBADDPD : fma3p_forms<0x97, 0xA7, 0xB7, "vfmsubadd", "pd",
- memopv2f64, memopv4f64, X86Fmsubadd,
+ loadv2f64, loadv4f64, X86Fmsubadd,
v2f64, v4f64>, VEX_W;
}
// Fused Negative Multiply-Add
let ExeDomain = SSEPackedSingle in {
- defm VFNMADDPS : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", memopv4f32,
- memopv8f32, X86Fnmadd, v4f32, v8f32>;
- defm VFNMSUBPS : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", memopv4f32,
- memopv8f32, X86Fnmsub, v4f32, v8f32>;
+ defm VFNMADDPS : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "ps", loadv4f32,
+ loadv8f32, X86Fnmadd, v4f32, v8f32>;
+ defm VFNMSUBPS : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "ps", loadv4f32,
+ loadv8f32, X86Fnmsub, v4f32, v8f32>;
}
let ExeDomain = SSEPackedDouble in {
- defm VFNMADDPD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", memopv2f64,
- memopv4f64, X86Fnmadd, v2f64, v4f64>, VEX_W;
+ defm VFNMADDPD : fma3p_forms<0x9C, 0xAC, 0xBC, "vfnmadd", "pd", loadv2f64,
+ loadv4f64, X86Fnmadd, v2f64, v4f64>, VEX_W;
defm VFNMSUBPD : fma3p_forms<0x9E, 0xAE, 0xBE, "vfnmsub", "pd",
- memopv2f64, memopv4f64, X86Fnmsub, v2f64,
+ loadv2f64, loadv4f64, X86Fnmsub, v2f64,
v4f64>, VEX_W;
}
-let Predicates = [HasFMA] in {
- def : Pat<(int_x86_fma_vfmadd_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMADDPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmadd_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFMADDPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMSUBPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFMSUBPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMADDSUBPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFMADDSUBPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMSUBADDPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFMSUBADDPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfmadd_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMADDPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmadd_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFMADDPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMSUBPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFMSUBPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMADDSUBPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFMADDSUBPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMSUBADDPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFMSUBADDPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfmadd_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMADDPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmadd_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFMADDPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMSUBPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFMSUBPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMADDSUBPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFMADDSUBPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFMSUBADDPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFMSUBADDPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfmadd_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMADDPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmadd_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFMADDPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMSUBPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmsub_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFMSUBPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMADDSUBPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmaddsub_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFMADDSUBPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFMSUBADDPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfmsubadd_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFMSUBADDPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfnmadd_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFNMADDPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfnmadd_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFNMADDPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_ps VR128:$src2, VR128:$src1, VR128:$src3),
- (VFNMSUBPSr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_ps VR128:$src2, VR128:$src1,
- (memopv4f32 addr:$src3)),
- (VFNMSUBPSr213m VR128:$src1, VR128:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfnmadd_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFNMADDPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfnmadd_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFNMADDPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_ps_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFNMSUBPSr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_ps_256 VR256:$src2, VR256:$src1,
- (memopv8f32 addr:$src3)),
- (VFNMSUBPSr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfnmadd_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFNMADDPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfnmadd_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFNMADDPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_pd VR128:$src2, VR128:$src1, VR128:$src3),
- (VFNMSUBPDr213r VR128:$src1, VR128:$src2, VR128:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_pd VR128:$src2, VR128:$src1,
- (memopv2f64 addr:$src3)),
- (VFNMSUBPDr213m VR128:$src1, VR128:$src2, addr:$src3)>;
-
- def : Pat<(int_x86_fma_vfnmadd_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFNMADDPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfnmadd_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFNMADDPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_pd_256 VR256:$src2, VR256:$src1, VR256:$src3),
- (VFNMSUBPDr213rY VR256:$src1, VR256:$src2, VR256:$src3)>;
- def : Pat<(int_x86_fma_vfnmsub_pd_256 VR256:$src2, VR256:$src1,
- (memopv4f64 addr:$src3)),
- (VFNMSUBPDr213mY VR256:$src1, VR256:$src2, addr:$src3)>;
-
-} // Predicates = [HasFMA]
-
-let Constraints = "$src1 = $dst" in {
-multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop,
- RegisterClass RC, ValueType OpVT, PatFrag mem_frag,
- SDPatternOperator OpNode = null_frag, bit MayLoad = 1> {
+// All source register operands of FMA opcodes defined in fma3s_rm multiclass
+// can be commuted. In many cases such commute transformation requres an opcode
+// adjustment, for example, commuting the operands 1 and 2 in FMA*132 form
+// would require an opcode change to FMA*231:
+// FMA*132* reg1, reg2, reg3; // reg1 * reg3 + reg2;
+// -->
+// FMA*231* reg2, reg1, reg3; // reg1 * reg3 + reg2;
+// Please see more detailed comment at the very beginning of the section
+// defining FMA3 opcodes above.
+let Constraints = "$src1 = $dst", isCommutable = 1, hasSideEffects = 0 in
+multiclass fma3s_rm<bits<8> opc, string OpcodeStr,
+ X86MemOperand x86memop, RegisterClass RC,
+ SDPatternOperator OpNode = null_frag> {
+ let usesCustomInserter = 1 in
def r : FMA3<opc, MRMSrcReg, (outs RC:$dst),
(ins RC:$src1, RC:$src2, RC:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
- [(set RC:$dst,
- (OpVT (OpNode RC:$src2, RC:$src1, RC:$src3)))]>;
- let mayLoad = MayLoad in
+ [(set RC:$dst, (OpNode RC:$src2, RC:$src1, RC:$src3))]>;
+
+ let mayLoad = 1 in
def m : FMA3<opc, MRMSrcMem, (outs RC:$dst),
(ins RC:$src1, RC:$src2, x86memop:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
[(set RC:$dst,
- (OpVT (OpNode RC:$src2, RC:$src1,
- (mem_frag addr:$src3))))]>;
+ (OpNode RC:$src2, RC:$src1, (load addr:$src3)))]>;
}
-multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, Operand memop,
- ComplexPattern mem_cpat, Intrinsic IntId,
- RegisterClass RC> {
- def r_Int : FMA3<opc, MRMSrcReg, (outs VR128:$dst),
- (ins VR128:$src1, VR128:$src2, VR128:$src3),
+// These FMA*_Int instructions are defined specially for being used when
+// the scalar FMA intrinsics are lowered to machine instructions, and in that
+// sence they are similar to existing ADD*_Int, SUB*_Int, MUL*_Int, etc.
+// instructions.
+//
+// FIXME: The FMA*_Int instructions are TEMPORARILY defined as NOT commutable.
+// Commuting the 2nd and 3rd source register operands of FMAs is quite trivial
+// and the corresponding optimization has been developed (please see
+// http://reviews.llvm.org/D13269 for details). The optimization though needs
+// some minor tuning to enable it for FMA*_Int opcodes.
+// Commuting the 1st operand of FMA*_Int requires some additional analysis,
+// the commute optimization is legal only if all users of FMA*_Int use only
+// the lowest element of the FMA*_Int instruction.
+let Constraints = "$src1 = $dst", isCommutable = 0, isCodeGenOnly =1,
+ hasSideEffects = 0 in
+multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr,
+ Operand memopr, RegisterClass RC> {
+ def r_Int : FMA3<opc, MRMSrcReg, (outs RC:$dst),
+ (ins RC:$src1, RC:$src2, RC:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
- [(set VR128:$dst, (IntId VR128:$src2, VR128:$src1,
- VR128:$src3))]>;
- def m_Int : FMA3<opc, MRMSrcMem, (outs VR128:$dst),
- (ins VR128:$src1, VR128:$src2, memop:$src3),
+ []>;
+
+ let mayLoad = 1 in
+ def m_Int : FMA3<opc, MRMSrcMem, (outs RC:$dst),
+ (ins RC:$src1, RC:$src2, memopr:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $dst|$dst, $src2, $src3}"),
- [(set VR128:$dst,
- (IntId VR128:$src2, VR128:$src1, mem_cpat:$src3))]>;
+ []>;
}
-} // Constraints = "$src1 = $dst"
multiclass fma3s_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
- string OpStr, string PackTy, Intrinsic Int,
- SDNode OpNode, RegisterClass RC, ValueType OpVT,
- X86MemOperand x86memop, Operand memop, PatFrag mem_frag,
- ComplexPattern mem_cpat> {
-let neverHasSideEffects = 1 in {
- defm r132 : fma3s_rm<opc132, !strconcat(OpStr, !strconcat("132", PackTy)),
- x86memop, RC, OpVT, mem_frag>;
- defm r231 : fma3s_rm<opc231, !strconcat(OpStr, !strconcat("231", PackTy)),
- x86memop, RC, OpVT, mem_frag>;
+ string OpStr, string PackTy,
+ SDNode OpNode, RegisterClass RC,
+ X86MemOperand x86memop> {
+ defm r132 : fma3s_rm<opc132, !strconcat(OpStr, "132", PackTy), x86memop, RC>;
+ defm r213 : fma3s_rm<opc213, !strconcat(OpStr, "213", PackTy), x86memop, RC,
+ OpNode>;
+ defm r231 : fma3s_rm<opc231, !strconcat(OpStr, "231", PackTy), x86memop, RC>;
}
-defm r213 : fma3s_rm<opc213, !strconcat(OpStr, !strconcat("213", PackTy)),
- x86memop, RC, OpVT, mem_frag, OpNode, 0>,
- fma3s_rm_int<opc213, !strconcat(OpStr, !strconcat("213", PackTy)),
- memop, mem_cpat, Int, RC>;
+// The FMA 213 form is created for lowering of scalar FMA intrinscis
+// to machine instructions.
+// The FMA 132 form can trivially be get by commuting the 2nd and 3rd operands
+// of FMA 213 form.
+// The FMA 231 form can be get only by commuting the 1st operand of 213 or 132
+// forms and is possible only after special analysis of all uses of the initial
+// instruction. Such analysis do not exist yet and thus introducing the 231
+// form of FMA*_Int instructions is done using an optimistic assumption that
+// such analysis will be implemented eventually.
+multiclass fma3s_int_forms<bits<8> opc132, bits<8> opc213, bits<8> opc231,
+ string OpStr, string PackTy,
+ RegisterClass RC, Operand memop> {
+ defm r132 : fma3s_rm_int<opc132, !strconcat(OpStr, "132", PackTy),
+ memop, RC>;
+ defm r213 : fma3s_rm_int<opc213, !strconcat(OpStr, "213", PackTy),
+ memop, RC>;
+ defm r231 : fma3s_rm_int<opc231, !strconcat(OpStr, "231", PackTy),
+ memop, RC>;
}
multiclass fma3s<bits<8> opc132, bits<8> opc213, bits<8> opc231,
string OpStr, Intrinsic IntF32, Intrinsic IntF64,
SDNode OpNode> {
- defm SS : fma3s_forms<opc132, opc213, opc231, OpStr, "ss", IntF32, OpNode,
- FR32, f32, f32mem, ssmem, loadf32, sse_load_f32>;
- defm SD : fma3s_forms<opc132, opc213, opc231, OpStr, "sd", IntF64, OpNode,
- FR64, f64, f64mem, sdmem, loadf64, sse_load_f64>, VEX_W;
+ defm SS : fma3s_forms<opc132, opc213, opc231, OpStr, "ss", OpNode,
+ FR32, f32mem>,
+ fma3s_int_forms<opc132, opc213, opc231, OpStr, "ss", VR128, ssmem>;
+ defm SD : fma3s_forms<opc132, opc213, opc231, OpStr, "sd", OpNode,
+ FR64, f64mem>,
+ fma3s_int_forms<opc132, opc213, opc231, OpStr, "sd", VR128, sdmem>,
+ VEX_W;
+
+ // These patterns use the 123 ordering, instead of 213, even though
+ // they match the intrinsic to the 213 version of the instruction.
+ // This is because src1 is tied to dest, and the scalar intrinsics
+ // require the pass-through values to come from the first source
+ // operand, not the second.
+ def : Pat<(IntF32 VR128:$src1, VR128:$src2, VR128:$src3),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"SSr213r_Int")
+ (COPY_TO_REGCLASS $src1, FR32),
+ (COPY_TO_REGCLASS $src2, FR32),
+ (COPY_TO_REGCLASS $src3, FR32)),
+ VR128)>;
+
+ def : Pat<(IntF64 VR128:$src1, VR128:$src2, VR128:$src3),
+ (COPY_TO_REGCLASS
+ (!cast<Instruction>(NAME#"SDr213r_Int")
+ (COPY_TO_REGCLASS $src1, FR64),
+ (COPY_TO_REGCLASS $src2, FR64),
+ (COPY_TO_REGCLASS $src3, FR64)),
+ VR128)>;
}
defm VFMADD : fma3s<0x99, 0xA9, 0xB9, "vfmadd", int_x86_fma_vfmadd_ss,
//===----------------------------------------------------------------------===//
-multiclass fma4s<bits<8> opc, string OpcodeStr, Operand memop,
- ComplexPattern mem_cpat, Intrinsic Int> {
- def rr : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
- (ins VR128:$src1, VR128:$src2, VR128:$src3),
+multiclass fma4s<bits<8> opc, string OpcodeStr, RegisterClass RC,
+ X86MemOperand x86memop, ValueType OpVT, SDNode OpNode,
+ PatFrag mem_frag> {
+ let isCommutable = 1 in
+ def rr : FMA4<opc, MRMSrcReg, (outs RC:$dst),
+ (ins RC:$src1, RC:$src2, RC:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR128:$dst,
- (Int VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, MemOp4;
- def rm : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
- (ins VR128:$src1, VR128:$src2, memop:$src3),
+ [(set RC:$dst,
+ (OpVT (OpNode RC:$src1, RC:$src2, RC:$src3)))]>, VEX_W, VEX_LIG, MemOp4;
+ def rm : FMA4<opc, MRMSrcMem, (outs RC:$dst),
+ (ins RC:$src1, RC:$src2, x86memop:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR128:$dst,
- (Int VR128:$src1, VR128:$src2, mem_cpat:$src3))]>, VEX_W, MemOp4;
- def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
- (ins VR128:$src1, memop:$src2, VR128:$src3),
+ [(set RC:$dst, (OpNode RC:$src1, RC:$src2,
+ (mem_frag addr:$src3)))]>, VEX_W, VEX_LIG, MemOp4;
+ def mr : FMA4<opc, MRMSrcMem, (outs RC:$dst),
+ (ins RC:$src1, x86memop:$src2, RC:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR128:$dst,
- (Int VR128:$src1, mem_cpat:$src2, VR128:$src3))]>;
+ [(set RC:$dst,
+ (OpNode RC:$src1, (mem_frag addr:$src2), RC:$src3))]>, VEX_LIG;
// For disassembler
-let isCodeGenOnly = 1 in
- def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in
+ def rr_REV : FMA4<opc, MRMSrcReg, (outs RC:$dst),
+ (ins RC:$src1, RC:$src2, RC:$src3),
+ !strconcat(OpcodeStr,
+ "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>,
+ VEX_LIG;
+}
+
+multiclass fma4s_int<bits<8> opc, string OpcodeStr, Operand memop,
+ ComplexPattern mem_cpat, Intrinsic Int> {
+let isCodeGenOnly = 1 in {
+ let isCommutable = 1 in
+ def rr_Int : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
- "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>;
+ "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
+ [(set VR128:$dst,
+ (Int VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, VEX_LIG, MemOp4;
+ def rm_Int : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
+ (ins VR128:$src1, VR128:$src2, memop:$src3),
+ !strconcat(OpcodeStr,
+ "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
+ [(set VR128:$dst, (Int VR128:$src1, VR128:$src2,
+ mem_cpat:$src3))]>, VEX_W, VEX_LIG, MemOp4;
+ def mr_Int : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
+ (ins VR128:$src1, memop:$src2, VR128:$src3),
+ !strconcat(OpcodeStr,
+ "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
+ [(set VR128:$dst,
+ (Int VR128:$src1, mem_cpat:$src2, VR128:$src3))]>, VEX_LIG;
+} // isCodeGenOnly = 1
}
-multiclass fma4p<bits<8> opc, string OpcodeStr,
- Intrinsic Int128, Intrinsic Int256,
+multiclass fma4p<bits<8> opc, string OpcodeStr, SDNode OpNode,
+ ValueType OpVT128, ValueType OpVT256,
PatFrag ld_frag128, PatFrag ld_frag256> {
+ let isCommutable = 1 in
def rr : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
- (Int128 VR128:$src1, VR128:$src2, VR128:$src3))]>, VEX_W, MemOp4;
+ (OpVT128 (OpNode VR128:$src1, VR128:$src2, VR128:$src3)))]>,
+ VEX_W, MemOp4;
def rm : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, f128mem:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR128:$dst, (Int128 VR128:$src1, VR128:$src2,
+ [(set VR128:$dst, (OpNode VR128:$src1, VR128:$src2,
(ld_frag128 addr:$src3)))]>, VEX_W, MemOp4;
def mr : FMA4<opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, f128mem:$src2, VR128:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR128:$dst,
- (Int128 VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>;
+ (OpNode VR128:$src1, (ld_frag128 addr:$src2), VR128:$src3))]>;
+ let isCommutable = 1 in
def rrY : FMA4<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
[(set VR256:$dst,
- (Int256 VR256:$src1, VR256:$src2, VR256:$src3))]>, VEX_W, MemOp4;
+ (OpVT256 (OpNode VR256:$src1, VR256:$src2, VR256:$src3)))]>,
+ VEX_W, MemOp4, VEX_L;
def rmY : FMA4<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, f256mem:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR256:$dst, (Int256 VR256:$src1, VR256:$src2,
- (ld_frag256 addr:$src3)))]>, VEX_W, MemOp4;
+ [(set VR256:$dst, (OpNode VR256:$src1, VR256:$src2,
+ (ld_frag256 addr:$src3)))]>, VEX_W, MemOp4, VEX_L;
def mrY : FMA4<opc, MRMSrcMem, (outs VR256:$dst),
(ins VR256:$src1, f256mem:$src2, VR256:$src3),
!strconcat(OpcodeStr,
"\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"),
- [(set VR256:$dst,
- (Int256 VR256:$src1, (ld_frag256 addr:$src2), VR256:$src3))]>;
+ [(set VR256:$dst, (OpNode VR256:$src1,
+ (ld_frag256 addr:$src2), VR256:$src3))]>, VEX_L;
// For disassembler
-let isCodeGenOnly = 1 in {
+let isCodeGenOnly = 1, ForceDisassemble = 1, hasSideEffects = 0 in {
def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, VR128:$src3),
!strconcat(OpcodeStr,
def rrY_REV : FMA4<opc, MRMSrcReg, (outs VR256:$dst),
(ins VR256:$src1, VR256:$src2, VR256:$src3),
!strconcat(OpcodeStr,
- "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>;
+ "\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}"), []>,
+ VEX_L;
} // isCodeGenOnly = 1
}
-let Predicates = [HasFMA4] in {
+defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", FR32, f32mem, f32, X86Fmadd, loadf32>,
+ fma4s_int<0x6A, "vfmaddss", ssmem, sse_load_f32,
+ int_x86_fma_vfmadd_ss>;
+defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", FR64, f64mem, f64, X86Fmadd, loadf64>,
+ fma4s_int<0x6B, "vfmaddsd", sdmem, sse_load_f64,
+ int_x86_fma_vfmadd_sd>;
+defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", FR32, f32mem, f32, X86Fmsub, loadf32>,
+ fma4s_int<0x6E, "vfmsubss", ssmem, sse_load_f32,
+ int_x86_fma_vfmsub_ss>;
+defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", FR64, f64mem, f64, X86Fmsub, loadf64>,
+ fma4s_int<0x6F, "vfmsubsd", sdmem, sse_load_f64,
+ int_x86_fma_vfmsub_sd>;
+defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", FR32, f32mem, f32,
+ X86Fnmadd, loadf32>,
+ fma4s_int<0x7A, "vfnmaddss", ssmem, sse_load_f32,
+ int_x86_fma_vfnmadd_ss>;
+defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", FR64, f64mem, f64,
+ X86Fnmadd, loadf64>,
+ fma4s_int<0x7B, "vfnmaddsd", sdmem, sse_load_f64,
+ int_x86_fma_vfnmadd_sd>;
+defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", FR32, f32mem, f32,
+ X86Fnmsub, loadf32>,
+ fma4s_int<0x7E, "vfnmsubss", ssmem, sse_load_f32,
+ int_x86_fma_vfnmsub_ss>;
+defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", FR64, f64mem, f64,
+ X86Fnmsub, loadf64>,
+ fma4s_int<0x7F, "vfnmsubsd", sdmem, sse_load_f64,
+ int_x86_fma_vfnmsub_sd>;
-defm VFMADDSS4 : fma4s<0x6A, "vfmaddss", ssmem, sse_load_f32,
- int_x86_fma_vfmadd_ss>;
-defm VFMADDSD4 : fma4s<0x6B, "vfmaddsd", sdmem, sse_load_f64,
- int_x86_fma_vfmadd_sd>;
-defm VFMADDPS4 : fma4p<0x68, "vfmaddps", int_x86_fma_vfmadd_ps,
- int_x86_fma_vfmadd_ps_256, memopv4f32, memopv8f32>;
-defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", int_x86_fma_vfmadd_pd,
- int_x86_fma_vfmadd_pd_256, memopv2f64, memopv4f64>;
-defm VFMSUBSS4 : fma4s<0x6E, "vfmsubss", ssmem, sse_load_f32,
- int_x86_fma_vfmsub_ss>;
-defm VFMSUBSD4 : fma4s<0x6F, "vfmsubsd", sdmem, sse_load_f64,
- int_x86_fma_vfmsub_sd>;
-defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", int_x86_fma_vfmsub_ps,
- int_x86_fma_vfmsub_ps_256, memopv4f32, memopv8f32>;
-defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", int_x86_fma_vfmsub_pd,
- int_x86_fma_vfmsub_pd_256, memopv2f64, memopv4f64>;
-defm VFNMADDSS4 : fma4s<0x7A, "vfnmaddss", ssmem, sse_load_f32,
- int_x86_fma_vfnmadd_ss>;
-defm VFNMADDSD4 : fma4s<0x7B, "vfnmaddsd", sdmem, sse_load_f64,
- int_x86_fma_vfnmadd_sd>;
-defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", int_x86_fma_vfnmadd_ps,
- int_x86_fma_vfnmadd_ps_256, memopv4f32, memopv8f32>;
-defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", int_x86_fma_vfnmadd_pd,
- int_x86_fma_vfnmadd_pd_256, memopv2f64, memopv4f64>;
-defm VFNMSUBSS4 : fma4s<0x7E, "vfnmsubss", ssmem, sse_load_f32,
- int_x86_fma_vfnmsub_ss>;
-defm VFNMSUBSD4 : fma4s<0x7F, "vfnmsubsd", sdmem, sse_load_f64,
- int_x86_fma_vfnmsub_sd>;
-defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", int_x86_fma_vfnmsub_ps,
- int_x86_fma_vfnmsub_ps_256, memopv4f32, memopv8f32>;
-defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", int_x86_fma_vfnmsub_pd,
- int_x86_fma_vfnmsub_pd_256, memopv2f64, memopv4f64>;
-defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", int_x86_fma_vfmaddsub_ps,
- int_x86_fma_vfmaddsub_ps_256, memopv4f32, memopv8f32>;
-defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", int_x86_fma_vfmaddsub_pd,
- int_x86_fma_vfmaddsub_pd_256, memopv2f64, memopv4f64>;
-defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", int_x86_fma_vfmsubadd_ps,
- int_x86_fma_vfmsubadd_ps_256, memopv4f32, memopv8f32>;
-defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", int_x86_fma_vfmsubadd_pd,
- int_x86_fma_vfmsubadd_pd_256, memopv2f64, memopv4f64>;
-} // HasFMA4
+let ExeDomain = SSEPackedSingle in {
+ defm VFMADDPS4 : fma4p<0x68, "vfmaddps", X86Fmadd, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+ defm VFMSUBPS4 : fma4p<0x6C, "vfmsubps", X86Fmsub, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+ defm VFNMADDPS4 : fma4p<0x78, "vfnmaddps", X86Fnmadd, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+ defm VFNMSUBPS4 : fma4p<0x7C, "vfnmsubps", X86Fnmsub, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+ defm VFMADDSUBPS4 : fma4p<0x5C, "vfmaddsubps", X86Fmaddsub, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+ defm VFMSUBADDPS4 : fma4p<0x5E, "vfmsubaddps", X86Fmsubadd, v4f32, v8f32,
+ loadv4f32, loadv8f32>;
+}
+
+let ExeDomain = SSEPackedDouble in {
+ defm VFMADDPD4 : fma4p<0x69, "vfmaddpd", X86Fmadd, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+ defm VFMSUBPD4 : fma4p<0x6D, "vfmsubpd", X86Fmsub, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+ defm VFNMADDPD4 : fma4p<0x79, "vfnmaddpd", X86Fnmadd, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+ defm VFNMSUBPD4 : fma4p<0x7D, "vfnmsubpd", X86Fnmsub, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+ defm VFMADDSUBPD4 : fma4p<0x5D, "vfmaddsubpd", X86Fmaddsub, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+ defm VFMSUBADDPD4 : fma4p<0x5F, "vfmsubaddpd", X86Fmsubadd, v2f64, v4f64,
+ loadv2f64, loadv4f64>;
+}