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-rw-r--r--lib/Target/X86/X86InstrFormats.td93
1 files changed, 67 insertions, 26 deletions
diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td
index cc30266..fe4ead1 100644
--- a/lib/Target/X86/X86InstrFormats.td
+++ b/lib/Target/X86/X86InstrFormats.td
@@ -36,20 +36,21 @@ def MRM6m : Format<30>; def MRM7m : Format<31>;
def MRM_C0 : Format<32>; def MRM_C1 : Format<33>; def MRM_C2 : Format<34>;
def MRM_C3 : Format<35>; def MRM_C4 : Format<36>; def MRM_C8 : Format<37>;
def MRM_C9 : Format<38>; def MRM_CA : Format<39>; def MRM_CB : Format<40>;
-def MRM_D0 : Format<41>; def MRM_D1 : Format<42>; def MRM_D4 : Format<43>;
-def MRM_D5 : Format<44>; def MRM_D6 : Format<45>; def MRM_D8 : Format<46>;
-def MRM_D9 : Format<47>; def MRM_DA : Format<48>; def MRM_DB : Format<49>;
-def MRM_DC : Format<50>; def MRM_DD : Format<51>; def MRM_DE : Format<52>;
-def MRM_DF : Format<53>; def MRM_E0 : Format<54>; def MRM_E1 : Format<55>;
-def MRM_E2 : Format<56>; def MRM_E3 : Format<57>; def MRM_E4 : Format<58>;
-def MRM_E5 : Format<59>; def MRM_E8 : Format<60>; def MRM_E9 : Format<61>;
-def MRM_EA : Format<62>; def MRM_EB : Format<63>; def MRM_EC : Format<64>;
-def MRM_ED : Format<65>; def MRM_EE : Format<66>; def MRM_F0 : Format<67>;
-def MRM_F1 : Format<68>; def MRM_F2 : Format<69>; def MRM_F3 : Format<70>;
-def MRM_F4 : Format<71>; def MRM_F5 : Format<72>; def MRM_F6 : Format<73>;
-def MRM_F7 : Format<74>; def MRM_F8 : Format<75>; def MRM_F9 : Format<76>;
-def MRM_FA : Format<77>; def MRM_FB : Format<78>; def MRM_FC : Format<79>;
-def MRM_FD : Format<80>; def MRM_FE : Format<81>; def MRM_FF : Format<82>;
+def MRM_CF : Format<41>; def MRM_D0 : Format<42>; def MRM_D1 : Format<43>;
+def MRM_D4 : Format<44>; def MRM_D5 : Format<45>; def MRM_D6 : Format<46>;
+def MRM_D7 : Format<47>; def MRM_D8 : Format<48>; def MRM_D9 : Format<49>;
+def MRM_DA : Format<50>; def MRM_DB : Format<51>; def MRM_DC : Format<52>;
+def MRM_DD : Format<53>; def MRM_DE : Format<54>; def MRM_DF : Format<55>;
+def MRM_E0 : Format<56>; def MRM_E1 : Format<57>; def MRM_E2 : Format<58>;
+def MRM_E3 : Format<59>; def MRM_E4 : Format<60>; def MRM_E5 : Format<61>;
+def MRM_E8 : Format<62>; def MRM_E9 : Format<63>; def MRM_EA : Format<64>;
+def MRM_EB : Format<65>; def MRM_EC : Format<66>; def MRM_ED : Format<67>;
+def MRM_EE : Format<68>; def MRM_F0 : Format<69>; def MRM_F1 : Format<70>;
+def MRM_F2 : Format<71>; def MRM_F3 : Format<72>; def MRM_F4 : Format<73>;
+def MRM_F5 : Format<74>; def MRM_F6 : Format<75>; def MRM_F7 : Format<76>;
+def MRM_F8 : Format<77>; def MRM_F9 : Format<78>; def MRM_FA : Format<79>;
+def MRM_FB : Format<80>; def MRM_FC : Format<81>; def MRM_FD : Format<82>;
+def MRM_FE : Format<83>; def MRM_FF : Format<84>;
// ImmType - This specifies the immediate type used by an instruction. This is
// part of the ad-hoc solution used to emit machine instruction encodings by our
@@ -100,6 +101,7 @@ def CD8VF : CD8VForm<0>; // v := VL
def CD8VH : CD8VForm<1>; // v := VL/2
def CD8VQ : CD8VForm<2>; // v := VL/4
def CD8VO : CD8VForm<3>; // v := VL/8
+// The tuple (subvector) forms.
def CD8VT1 : CD8VForm<4>; // v := 1
def CD8VT2 : CD8VForm<5>; // v := 2
def CD8VT4 : CD8VForm<6>; // v := 4
@@ -184,13 +186,16 @@ class EVEX_KZ : EVEX_K { bit hasEVEX_Z = 1; }
class EVEX_B { bit hasEVEX_B = 1; }
class EVEX_RC { bit hasEVEX_RC = 1; }
class EVEX_V512 { bit hasEVEX_L2 = 1; bit hasVEX_L = 0; }
+class EVEX_V256 { bit hasEVEX_L2 = 0; bit hasVEX_L = 1; }
+class EVEX_V128 { bit hasEVEX_L2 = 0; bit hasVEX_L = 0; }
+
+// Specify AVX512 8-bit compressed displacement encoding based on the vector
+// element size in bits (8, 16, 32, 64) and the CDisp8 form.
class EVEX_CD8<int esize, CD8VForm form> {
- bits<2> EVEX_CD8E = !if(!eq(esize, 8), 0b00,
- !if(!eq(esize, 16), 0b01,
- !if(!eq(esize, 32), 0b10,
- !if(!eq(esize, 64), 0b11, ?))));
- bits<3> EVEX_CD8V = form.Value;
+ int CD8_EltSize = !srl(esize, 3);
+ bits<3> CD8_Form = form.Value;
}
+
class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
class MemOp4 { bit hasMemOp4Prefix = 1; }
class XOP { Encoding OpEnc = EncXOP; }
@@ -253,12 +258,32 @@ class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
bit hasEVEX_Z = 0; // Does this inst set the EVEX_Z field?
bit hasEVEX_L2 = 0; // Does this inst set the EVEX_L2 field?
bit hasEVEX_B = 0; // Does this inst set the EVEX_B field?
- bits<2> EVEX_CD8E = 0; // Compressed disp8 form - element-size.
- bits<3> EVEX_CD8V = 0; // Compressed disp8 form - vector-width.
+ bits<3> CD8_Form = 0; // Compressed disp8 form - vector-width.
+ // Declare it int rather than bits<4> so that all bits are defined when
+ // assigning to bits<7>.
+ int CD8_EltSize = 0; // Compressed disp8 form - element-size in bytes.
bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
bit hasEVEX_RC = 0; // Explicitly specified rounding control in FP instruction.
+ bits<2> EVEX_LL;
+ let EVEX_LL{0} = hasVEX_L;
+ let EVEX_LL{1} = hasEVEX_L2;
+ // Vector size in bytes.
+ bits<7> VectSize = !shl(16, EVEX_LL);
+
+ // The scaling factor for AVX512's compressed displacement is either
+ // - the size of a power-of-two number of elements or
+ // - the size of a single element for broadcasts or
+ // - the total vector size divided by a power-of-two number.
+ // Possible values are: 0 (non-AVX512 inst), 1, 2, 4, 8, 16, 32 and 64.
+ bits<7> CD8_Scale = !if (!eq (OpEnc.Value, EncEVEX.Value),
+ !if (CD8_Form{2},
+ !shl(CD8_EltSize, CD8_Form{1-0}),
+ !if (hasEVEX_B,
+ CD8_EltSize,
+ !srl(VectSize, CD8_Form{1-0}))), 0);
+
// TSFlags layout should be kept in sync with X86InstrInfo.h.
let TSFlags{6-0} = FormBits;
let TSFlags{8-7} = OpSizeBits;
@@ -283,11 +308,11 @@ class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
let TSFlags{45} = hasEVEX_Z;
let TSFlags{46} = hasEVEX_L2;
let TSFlags{47} = hasEVEX_B;
- let TSFlags{49-48} = EVEX_CD8E;
- let TSFlags{52-50} = EVEX_CD8V;
- let TSFlags{53} = has3DNow0F0FOpcode;
- let TSFlags{54} = hasMemOp4Prefix;
- let TSFlags{55} = hasEVEX_RC;
+ // If we run out of TSFlags bits, it's possible to encode this in 3 bits.
+ let TSFlags{54-48} = CD8_Scale;
+ let TSFlags{55} = has3DNow0F0FOpcode;
+ let TSFlags{56} = hasMemOp4Prefix;
+ let TSFlags{57} = hasEVEX_RC;
}
class PseudoI<dag oops, dag iops, list<dag> pattern>
@@ -690,14 +715,25 @@ class AVX512BI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern, InstrItinClass itin = NoItinerary>
: I<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
Requires<[HasAVX512]>;
+class AVX512BIBase : PD {
+ Domain ExeDomain = SSEPackedInt;
+}
class AVX512BIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern, InstrItinClass itin = NoItinerary>
: Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, PD,
Requires<[HasAVX512]>;
+class AVX512BIi8Base : PD {
+ Domain ExeDomain = SSEPackedInt;
+ ImmType ImmT = Imm8;
+}
class AVX512AIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern, InstrItinClass itin = NoItinerary>
: Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>, TAPD,
Requires<[HasAVX512]>;
+class AVX512AIi8Base : TAPD {
+ Domain ExeDomain = SSEPackedInt;
+ ImmType ImmT = Imm8;
+}
class AVX512Ii8<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern, InstrItinClass itin = NoItinerary>
: Ii8<o, F, outs, ins, asm, pattern, itin, SSEPackedInt>,
@@ -720,6 +756,11 @@ class AVX512FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag>pattern, InstrItinClass itin = NoItinerary>
: I<o, F, outs, ins, asm, pattern, itin>, T8PD,
EVEX_4V, Requires<[HasAVX512]>;
+class AVX512FMA3Base : T8PD, EVEX_4V;
+
+class AVX512<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag>pattern, InstrItinClass itin = NoItinerary>
+ : I<o, F, outs, ins, asm, pattern, itin>, Requires<[HasAVX512]>;
// AES Instruction Templates:
//
generated by cgit v1.1 at 2024-05-17 20:22:14 +0000