[binutils-gdb] x86/Intel: drop IgnoreSize from operand-less MOVSD/CMPSD again

Jan Beulich jbeulich@sourceware.org
Thu Nov 7 08:29:00 GMT 2019


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c050c89a80f3d277830a7e6ec57f1dbd64b84e08

commit c050c89a80f3d277830a7e6ec57f1dbd64b84e08
Author: Jan Beulich <jbeulich@suse.com>
Date:   Thu Nov 7 09:27:16 2019 +0100

    x86/Intel: drop IgnoreSize from operand-less MOVSD/CMPSD again
    
    These were mistakenly added by d241b91073 ("x86/Intel: correct MOVSD and
    CMPSD handling"). This addresses part of PR/gas 25167.

Diff:
---
 opcodes/ChangeLog    | 7 +++++++
 opcodes/i386-opc.tbl | 4 ++--
 opcodes/i386-tbl.h   | 4 ++--
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 94c619b..df2987a 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,10 @@
+2019-11-07  Jan Beulich  <jbeulich@suse.com>
+
+	PR/gas 25167
+	* opcodes/i386-opc.tbl (movsd, cmpsd): Drop IgnoreSize from
+	operand-less forms.
+	* opcodes/i386-tbl.h: Re-generate.
+
 2019-11-05  Jan Beulich  <jbeulich@suse.com>
 
 	* i386-dis.c (OP_Mwaitx): Delete.
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 02c83a3..21a6357 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -1393,7 +1393,7 @@ cmpunordsd, 2, 0xf20fc2, 0x3, 2, CpuSSE2, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lS
 cmppd, 3, 0x66c2, None, 1, CpuAVX, Modrm|Vex|VexOpcode=0|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|SSE2AVX, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
 cmppd, 3, 0x660fc2, None, 2, CpuSSE2, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8, RegXMM|Unspecified|BaseIndex, RegXMM }
 // Intel mode string compare.
-cmpsd, 0, 0xa7, None, 1, 0, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { 0 }
+cmpsd, 0, 0xa7, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { 0 }
 cmpsd, 2, 0xa7, None, 1, 0, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { Dword|Unspecified|BaseIndex|EsSeg, Dword|Unspecified|BaseIndex }
 cmpsd, 3, 0xf2c2, None, 1, CpuAVX, Modrm|Vex=3|VexOpcode=0|VexVVVV=1|VexW=1|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|SSE2AVX, { Imm8, Qword|Unspecified|BaseIndex|RegXMM, RegXMM }
 cmpsd, 3, 0xf20fc2, None, 2, CpuSSE2, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm8, Qword|Unspecified|BaseIndex|RegXMM, RegXMM }
@@ -1429,7 +1429,7 @@ movmskpd, 2, 0x660f50, None, 2, CpuSSE2, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSu
 movntpd, 2, 0x662b, None, 1, CpuAVX, Modrm|Vex|VexOpcode=0|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|SSE2AVX, { RegXMM, Xmmword|Unspecified|BaseIndex }
 movntpd, 2, 0x660f2b, None, 2, CpuSSE2, Modrm|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { RegXMM, Xmmword|Unspecified|BaseIndex }
 // Intel mode string move.
-movsd, 0, 0xa5, None, 1, 0, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { 0 }
+movsd, 0, 0xa5, None, 1, 0, Size32|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { 0 }
 movsd, 2, 0xa5, None, 1, 0, Size32|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|IsString|RepPrefixOk, { Dword|Unspecified|BaseIndex, Dword|Unspecified|BaseIndex|EsSeg }
 movsd, 2, 0xf210, None, 1, CpuAVX, D|Modrm|Vex=3|VexOpcode=0|VexW=1|IgnoreSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|SSE2AVX, { Qword|Unspecified|BaseIndex, RegXMM }
 movsd, 2, 0xf210, None, 1, CpuAVX, D|Modrm|Vex=3|VexOpcode=0|VexVVVV=1|VexW=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|SSE2AVX, { RegXMM, RegXMM }
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index 3156bc8..66184cc 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -15594,7 +15594,7 @@ const insn_template i386_optab[] =
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0 } },
-    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 1, 1, 1, 1, 1,
+    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 1, 1, 1, 1,
       1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0 },
@@ -16121,7 +16121,7 @@ const insn_template i386_optab[] =
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         0, 0, 0, 0, 0, 0, 0, 0, 0 } },
-    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 0, 1, 1, 1, 1, 1,
+    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 1, 1, 1, 1,
       1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       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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