* [binutils-gdb] x86: templatize unary ALU insns
@ 2024-03-28 10:50 Jan Beulich
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From: Jan Beulich @ 2024-03-28 10:50 UTC (permalink / raw)
To: binutils-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=568473a4376dc1d37d18a4a015739d60e72b7db4
commit 568473a4376dc1d37d18a4a015739d60e72b7db4
Author: Jan Beulich <jbeulich@suse.com>
Date: Thu Mar 28 11:48:47 2024 +0100
x86: templatize unary ALU insns
With the multitude of new APX templates, it finally becomes desirable to
further remove redundancy by also templatizing basic arithmetic insns.
Continue with a few simple unary (single source) cases.
Diff:
---
opcodes/i386-opc.tbl | 26 ++++++++++++++++----------
opcodes/i386-tbl.h | 12 ++++++------
2 files changed, 22 insertions(+), 16 deletions(-)
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index eed55f9c804..dbf33ff400e 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -385,11 +385,12 @@ adc, 0x80/2, 0, W|Modrm|No_sSuf|HLEPrefixLock, { Imm8|Imm16|Imm32|Imm32S, Reg8|R
<incdec>
-neg, 0xf6/3, APX_F, W|Modrm|CheckOperandSize|No_sSuf|DstVVVV|EVexMap4|NF, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg8|Reg16|Reg32|Reg64 }
-neg, 0xf6/3, 0, W|Modrm|No_sSuf|HLEPrefixLock, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
+<alu1:opc:nf, not:2:, neg:3:NF>
-not, 0xf6/2, APX_F, W|Modrm|CheckOperandSize|No_sSuf|DstVVVV|EVexMap4, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg8|Reg16|Reg32|Reg64 }
-not, 0xf6/2, 0, W|Modrm|No_sSuf|HLEPrefixLock, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
+<alu1>, 0xf6/<alu1:opc>, APX_F, W|Modrm|CheckOperandSize|No_sSuf|DstVVVV|EVexMap4|<alu1:nf>, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg8|Reg16|Reg32|Reg64 }
+<alu1>, 0xf6/<alu1:opc>, 0, W|Modrm|No_sSuf|HLEPrefixLock, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
+
+<alu1>
aaa, 0x37, No64, NoSuf, {}
aas, 0x3f, No64, NoSuf, {}
@@ -420,8 +421,9 @@ cqto, 0x99, x64, Size64|NoSuf, {}
// expanding 64-bit multiplies, and *cannot* be selected to accomplish
// 'imul %ebx, %eax' (opcode 0x0faf must be used in this case)
// These multiplies can only be selected with single operand forms.
-mul, 0xf6/4, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
-imul, 0xf6/5, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
+<mul:opc, mul:4, imul:5>
+
+<mul>, 0xf6/<mul:opc>, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
imul, 0xaf, APX_F, C|Modrm|CheckOperandSize|No_bSuf|No_sSuf|DstVVVV|EVexMap4|NF, { Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg16|Reg32|Reg64, Reg16|Reg32|Reg64 }
imul, 0xfaf, i386, Modrm|CheckOperandSize|No_bSuf|No_sSuf, { Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg16|Reg32|Reg64 }
imul, 0x6b, i186, Modrm|CheckOperandSize|No_bSuf|No_sSuf, { Imm8S, Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg16|Reg32|Reg64 }
@@ -432,10 +434,14 @@ imul, 0x69, i186, Modrm|CheckOperandSize|No_bSuf|No_sSuf, { Imm16|Imm32|Imm32S,
imul, 0x6b, i186, Modrm|No_bSuf|No_sSuf|RegKludge, { Imm8S, Reg16|Reg32|Reg64 }
imul, 0x69, i186, Modrm|No_bSuf|No_sSuf|RegKludge, { Imm16|Imm32|Imm32S, Reg16|Reg32|Reg64 }
-div, 0xf6/6, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
-div, 0xf6/6, 0, W|CheckOperandSize|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Acc|Byte|Word|Dword|Qword }
-idiv, 0xf6/7, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
-idiv, 0xf6/7, 0, W|CheckOperandSize|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Acc|Byte|Word|Dword|Qword }
+<mul>
+
+<div:opc, div:6, idiv:7>
+
+<div>, 0xf6/<div:opc>, 0, W|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
+<div>, 0xf6/<div:opc>, 0, W|CheckOperandSize|Modrm|No_sSuf, { Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Acc|Byte|Word|Dword|Qword }
+
+<div>
rol, 0xd0/0, APX_F, W|Modrm|No_sSuf|CheckOperandSize|DstVVVV|EVexMap4|NF, { Imm1, Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex, Reg8|Reg16|Reg32|Reg64 }
rol, 0xd0/0, 0, W|Modrm|No_sSuf, { Imm1, Reg8|Reg16|Reg32|Reg64|Unspecified|BaseIndex }
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index 1b10f13cbda..0d78437b448 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -1464,9 +1464,9 @@ static const insn_template i386_optab[] =
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0,
0, 0, 0, 0, 1, 0 } } } },
- { MN_neg, 0xf6, 2, SPACE_EVEXMAP4, 3,
+ { MN_not, 0xf6, 2, SPACE_EVEXMAP4, 2,
{ 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
+ 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0 },
{ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0 } },
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
@@ -1474,7 +1474,7 @@ static const insn_template i386_optab[] =
0, 0, 0, 0, 1, 0 } },
{ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0 } } } },
- { MN_neg, 0xf6, 1, SPACE_BASE, 3,
+ { MN_not, 0xf6, 1, SPACE_BASE, 2,
{ 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 5,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0 },
@@ -1482,9 +1482,9 @@ static const insn_template i386_optab[] =
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0,
0, 0, 0, 0, 1, 0 } } } },
- { MN_not, 0xf6, 2, SPACE_EVEXMAP4, 2,
+ { MN_neg, 0xf6, 2, SPACE_EVEXMAP4, 3,
{ 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0 },
{ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0 } },
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
@@ -1492,7 +1492,7 @@ static const insn_template i386_optab[] =
0, 0, 0, 0, 1, 0 } },
{ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0,
0, 0, 0, 0, 0, 0 } } } },
- { MN_not, 0xf6, 1, SPACE_BASE, 2,
+ { MN_neg, 0xf6, 1, SPACE_BASE, 3,
{ 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 5,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0 },
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