[X86][MC] Support enc/dec for IMULZU. #86653
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apx-spec: https://cdrdv2.intel.com/v1/dl/getContent/784266 apx-syntax-recommendation: https://cdrdv2.intel.com/v1/dl/getContent/817241
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@llvm/pr-subscribers-mc @llvm/pr-subscribers-backend-x86 Author: Freddy Ye (FreddyLeaf) Changesapx-spec: https://cdrdv2.intel.com/v1/dl/getContent/784266 Full diff: https://github.com/llvm/llvm-project/pull/86653.diff 5 Files Affected:
diff --git a/llvm/lib/Target/X86/X86InstrArithmetic.td b/llvm/lib/Target/X86/X86InstrArithmetic.td
index fef0a5a90cd6f0..0ec991dfe34ddd 100644
--- a/llvm/lib/Target/X86/X86InstrArithmetic.td
+++ b/llvm/lib/Target/X86/X86InstrArithmetic.td
@@ -334,6 +334,54 @@ let Predicates = [In64BitMode] in {
def IMUL32rmi_EVEX : IMulOpMI_RF<Xi32, WriteIMul32Imm>, PL;
def IMUL64rmi32_EVEX : IMulOpMI_RF<Xi64, WriteIMul64Imm>, PL;
}
+
+// IMULZU instructions
+let Defs = [EFLAGS], ForceDisassemble = 1, OpEnc = EncEVEX, hasSideEffects = 0,
+ Predicates = [HasEGPR, In64BitMode] in {
+ let SchedRW = [WriteIMul16Imm] in {
+ def IMULZU16rri8 : BinOpRI8<0x6B, "imulzu", binop_ndd_args, Xi16, MRMSrcReg,
+ (outs GR16:$dst)>, T_MAP4, PD, EVEX_B;
+ let Opcode = 0x6B, mayLoad = 1 in {
+ def IMULZU16rmi8 : BinOpMI8<"imulzu", binop_ndd_args, Xi16, MRMSrcMem,
+ (outs GR16:$dst)>, T_MAP4, PD, EVEX_B;
+ }
+ def IMULZU16rri : BinOpRI<0x69, "imulzu", binop_ndd_args, Xi16, MRMSrcReg,
+ (outs GR16:$dst), []>, T_MAP4, PD, EVEX_B;
+ let mayLoad = 1 in {
+ def IMULZU16rmi : BinOpMI<0x69, "imulzu", binop_ndd_args, Xi16, MRMSrcMem,
+ (outs GR16:$dst), []>, T_MAP4, PD, EVEX_B;
+ }
+ }
+ let SchedRW = [WriteIMul32Imm] in {
+ def IMULZU32rri8 : BinOpRI8<0x6B, "imulzu", binop_ndd_args, Xi32, MRMSrcReg,
+ (outs GR32:$dst)>, T_MAP4, PS, EVEX_B;
+ let Opcode = 0x6B, mayLoad = 1 in {
+ def IMULZU32rmi8 : BinOpMI8<"imulzu", binop_ndd_args, Xi32, MRMSrcMem,
+ (outs GR32:$dst)>, T_MAP4, PS, EVEX_B;
+ }
+ def IMULZU32rri : BinOpRI<0x69, "imulzu", binop_ndd_args, Xi32, MRMSrcReg,
+ (outs GR32:$dst), []>, T_MAP4, PS, EVEX_B;
+ let mayLoad = 1 in {
+ def IMULZU32rmi : BinOpMI<0x69, "imulzu", binop_ndd_args, Xi32, MRMSrcMem,
+ (outs GR32:$dst), []>, T_MAP4, PS, EVEX_B;
+ }
+ }
+ let SchedRW = [WriteIMul64Imm] in {
+ def IMULZU64rri8 : BinOpRI8<0x6B, "imulzu", binop_ndd_args, Xi64, MRMSrcReg,
+ (outs GR64:$dst)>, T_MAP4, PS, EVEX_B, REX_W;
+ let Opcode = 0x6B, mayLoad = 1 in {
+ def IMULZU64rmi8 : BinOpMI8<"imulzu", binop_ndd_args, Xi64, MRMSrcMem,
+ (outs GR64:$dst)>, T_MAP4, PS, EVEX_B, REX_W;
+ }
+ def IMULZU64rri32 : BinOpRI<0x69, "imulzu", binop_ndd_args, Xi64, MRMSrcReg,
+ (outs GR64:$dst), []>, T_MAP4, PS, EVEX_B, REX_W;
+ let mayLoad = 1 in {
+ def IMULZU64rmi32 : BinOpMI<0x69, "imulzu", binop_ndd_args, Xi64, MRMSrcMem,
+ (outs GR64:$dst), []>, T_MAP4, PS, EVEX_B, REX_W;
+ }
+ }
+}
+
//===----------------------------------------------------------------------===//
// INC and DEC Instructions
//
diff --git a/llvm/test/MC/Disassembler/X86/apx/imulzu.txt b/llvm/test/MC/Disassembler/X86/apx/imulzu.txt
new file mode 100644
index 00000000000000..86142e0540970b
--- /dev/null
+++ b/llvm/test/MC/Disassembler/X86/apx/imulzu.txt
@@ -0,0 +1,50 @@
+# RUN: llvm-mc -triple x86_64 -disassemble %s | FileCheck %s --check-prefix=ATT
+# RUN: llvm-mc -triple x86_64 -disassemble -output-asm-variant=1 %s | FileCheck %s --check-prefix=INTEL
+
+# ATT: imulzuw $123, %dx, %dx
+# INTEL: imulzu dx, dx, 123
+0x62,0xf4,0x7d,0x18,0x6b,0xd2,0x7b
+
+# ATT: imulzul $123, %ecx, %ecx
+# INTEL: imulzu ecx, ecx, 123
+0x62,0xf4,0x7c,0x18,0x6b,0xc9,0x7b
+
+# ATT: imulzuq $123, %r9, %r9
+# INTEL: imulzu r9, r9, 123
+0x62,0x54,0xfc,0x18,0x6b,0xc9,0x7b
+
+# ATT: imulzuw $123, 291(%r8,%rax,4), %dx
+# INTEL: imulzu dx, word ptr [r8 + 4*rax + 291], 123
+0x62,0xd4,0x7d,0x18,0x6b,0x94,0x80,0x23,0x01,0x00,0x00,0x7b
+
+# ATT: imulzul $123, 291(%r8,%rax,4), %ecx
+# INTEL: imulzu ecx, dword ptr [r8 + 4*rax + 291], 123
+0x62,0xd4,0x7c,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b
+
+# ATT: imulzuq $123, 291(%r8,%rax,4), %r9
+# INTEL: imulzu r9, qword ptr [r8 + 4*rax + 291], 123
+0x62,0x54,0xfc,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b
+
+# ATT: imulzuw $1234, %dx, %dx
+# INTEL: imulzu dx, dx, 1234
+0x62,0xf4,0x7d,0x18,0x69,0xd2,0xd2,0x04
+
+# ATT: imulzuw $1234, 291(%r8,%rax,4), %dx
+# INTEL: imulzu dx, word ptr [r8 + 4*rax + 291], 1234
+0x62,0xd4,0x7d,0x18,0x69,0x94,0x80,0x23,0x01,0x00,0x00,0xd2,0x04
+
+# ATT: imulzul $123456, %ecx, %ecx
+# INTEL: imulzu ecx, ecx, 123456
+0x62,0xf4,0x7c,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00
+
+# ATT: imulzuq $123456, %r9, %r9
+# INTEL: imulzu r9, r9, 123456
+0x62,0x54,0xfc,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00
+
+# ATT: imulzul $123456, 291(%r8,%rax,4), %ecx
+# INTEL: imulzu ecx, dword ptr [r8 + 4*rax + 291], 123456
+0x62,0xd4,0x7c,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00
+
+# ATT: imulzuq $123456, 291(%r8,%rax,4), %r9
+# INTEL: imulzu r9, qword ptr [r8 + 4*rax + 291], 123456
+0x62,0x54,0xfc,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00
diff --git a/llvm/test/MC/X86/apx/imulzu-att.s b/llvm/test/MC/X86/apx/imulzu-att.s
new file mode 100644
index 00000000000000..52bd6b12167d55
--- /dev/null
+++ b/llvm/test/MC/X86/apx/imulzu-att.s
@@ -0,0 +1,38 @@
+# RUN: llvm-mc -triple x86_64 -show-encoding %s | FileCheck %s
+
+# CHECK: imulzuw $123, %dx, %dx
+# CHECK: encoding: [0x62,0xf4,0x7d,0x18,0x6b,0xd2,0x7b]
+ imulzuw $123, %dx, %dx
+# CHECK: imulzul $123, %ecx, %ecx
+# CHECK: encoding: [0x62,0xf4,0x7c,0x18,0x6b,0xc9,0x7b]
+ imulzul $123, %ecx, %ecx
+# CHECK: imulzuq $123, %r9, %r9
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x6b,0xc9,0x7b]
+ imulzuq $123, %r9, %r9
+# CHECK: imulzuw $123, 291(%r8,%rax,4), %dx
+# CHECK: encoding: [0x62,0xd4,0x7d,0x18,0x6b,0x94,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzuw $123, 291(%r8,%rax,4), %dx
+# CHECK: imulzul $123, 291(%r8,%rax,4), %ecx
+# CHECK: encoding: [0x62,0xd4,0x7c,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzul $123, 291(%r8,%rax,4), %ecx
+# CHECK: imulzuq $123, 291(%r8,%rax,4), %r9
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzuq $123, 291(%r8,%rax,4), %r9
+# CHECK: imulzuw $1234, %dx, %dx
+# CHECK: encoding: [0x62,0xf4,0x7d,0x18,0x69,0xd2,0xd2,0x04]
+ imulzuw $1234, %dx, %dx
+# CHECK: imulzuw $1234, 291(%r8,%rax,4), %dx
+# CHECK: encoding: [0x62,0xd4,0x7d,0x18,0x69,0x94,0x80,0x23,0x01,0x00,0x00,0xd2,0x04]
+ imulzuw $1234, 291(%r8,%rax,4), %dx
+# CHECK: imulzul $123456, %ecx, %ecx
+# CHECK: encoding: [0x62,0xf4,0x7c,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00]
+ imulzul $123456, %ecx, %ecx
+# CHECK: imulzuq $123456, %r9, %r9
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00]
+ imulzuq $123456, %r9, %r9
+# CHECK: imulzul $123456, 291(%r8,%rax,4), %ecx
+# CHECK: encoding: [0x62,0xd4,0x7c,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00]
+ imulzul $123456, 291(%r8,%rax,4), %ecx
+# CHECK: imulzuq $123456, 291(%r8,%rax,4), %r9
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00]
+ imulzuq $123456, 291(%r8,%rax,4), %r9
diff --git a/llvm/test/MC/X86/apx/imulzu-intel.s b/llvm/test/MC/X86/apx/imulzu-intel.s
new file mode 100644
index 00000000000000..3a01fdca148950
--- /dev/null
+++ b/llvm/test/MC/X86/apx/imulzu-intel.s
@@ -0,0 +1,38 @@
+# RUN: llvm-mc -triple x86_64 -show-encoding -x86-asm-syntax=intel -output-asm-variant=1 %s | FileCheck %s
+
+# CHECK: imulzu dx, dx, 123
+# CHECK: encoding: [0x62,0xf4,0x7d,0x18,0x6b,0xd2,0x7b]
+ imulzu dx, dx, 123
+# CHECK: imulzu ecx, ecx, 123
+# CHECK: encoding: [0x62,0xf4,0x7c,0x18,0x6b,0xc9,0x7b]
+ imulzu ecx, ecx, 123
+# CHECK: imulzu r9, r9, 123
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x6b,0xc9,0x7b]
+ imulzu r9, r9, 123
+# CHECK: imulzu dx, word ptr [r8 + 4*rax + 291], 123
+# CHECK: encoding: [0x62,0xd4,0x7d,0x18,0x6b,0x94,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzu dx, word ptr [r8 + 4*rax + 291], 123
+# CHECK: imulzu ecx, dword ptr [r8 + 4*rax + 291], 123
+# CHECK: encoding: [0x62,0xd4,0x7c,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzu ecx, dword ptr [r8 + 4*rax + 291], 123
+# CHECK: imulzu r9, qword ptr [r8 + 4*rax + 291], 123
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x6b,0x8c,0x80,0x23,0x01,0x00,0x00,0x7b]
+ imulzu r9, qword ptr [r8 + 4*rax + 291], 123
+# CHECK: imulzu dx, dx, 1234
+# CHECK: encoding: [0x62,0xf4,0x7d,0x18,0x69,0xd2,0xd2,0x04]
+ imulzu dx, dx, 1234
+# CHECK: imulzu dx, word ptr [r8 + 4*rax + 291], 1234
+# CHECK: encoding: [0x62,0xd4,0x7d,0x18,0x69,0x94,0x80,0x23,0x01,0x00,0x00,0xd2,0x04]
+ imulzu dx, word ptr [r8 + 4*rax + 291], 1234
+# CHECK: imulzu ecx, ecx, 123456
+# CHECK: encoding: [0x62,0xf4,0x7c,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00]
+ imulzu ecx, ecx, 123456
+# CHECK: imulzu r9, r9, 123456
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x69,0xc9,0x40,0xe2,0x01,0x00]
+ imulzu r9, r9, 123456
+# CHECK: imulzu ecx, dword ptr [r8 + 4*rax + 291], 123456
+# CHECK: encoding: [0x62,0xd4,0x7c,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00]
+ imulzu ecx, dword ptr [r8 + 4*rax + 291], 123456
+# CHECK: imulzu r9, qword ptr [r8 + 4*rax + 291], 123456
+# CHECK: encoding: [0x62,0x54,0xfc,0x18,0x69,0x8c,0x80,0x23,0x01,0x00,0x00,0x40,0xe2,0x01,0x00]
+ imulzu r9, qword ptr [r8 + 4*rax + 291], 123456
diff --git a/llvm/test/TableGen/x86-fold-tables.inc b/llvm/test/TableGen/x86-fold-tables.inc
index 7b65e483c39d0d..4ab5567f628763 100644
--- a/llvm/test/TableGen/x86-fold-tables.inc
+++ b/llvm/test/TableGen/x86-fold-tables.inc
@@ -756,6 +756,12 @@ static const X86FoldTableEntry Table1[] = {
{X86::IMUL64rri32_NF, X86::IMUL64rmi32_NF, 0},
{X86::IMUL64rri8, X86::IMUL64rmi8, 0},
{X86::IMUL64rri8_NF, X86::IMUL64rmi8_NF, 0},
+ {X86::IMULZU16rri, X86::IMULZU16rmi, 0},
+ {X86::IMULZU16rri8, X86::IMULZU16rmi8, 0},
+ {X86::IMULZU32rri, X86::IMULZU32rmi, 0},
+ {X86::IMULZU32rri8, X86::IMULZU32rmi8, 0},
+ {X86::IMULZU64rri32, X86::IMULZU64rmi32, 0},
+ {X86::IMULZU64rri8, X86::IMULZU64rmi8, 0},
{X86::INC16r_ND, X86::INC16m_ND, 0},
{X86::INC16r_NF_ND, X86::INC16m_NF_ND, 0},
{X86::INC32r_ND, X86::INC32m_ND, 0},
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KanRobert
reviewed
Mar 28, 2024
KanRobert
reviewed
Mar 28, 2024
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apx-spec: https://cdrdv2.intel.com/v1/dl/getContent/784266
apx-syntax-recommendation: https://cdrdv2.intel.com/v1/dl/getContent/817241