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authorChris Lattner <sabre@nondot.org>2010-09-08 22:13:08 +0000
committerChris Lattner <sabre@nondot.org>2010-09-08 22:13:08 +0000
commit373c458850a963ab062046529337fe976e1f944d (patch)
tree34a57d013bbf12b50fcf55df5239acce4a63e034 /lib/Target
parent52664c8efe8895bf17f7b010d02474c7a712d212 (diff)
downloadexternal_llvm-373c458850a963ab062046529337fe976e1f944d.zip
external_llvm-373c458850a963ab062046529337fe976e1f944d.tar.gz
external_llvm-373c458850a963ab062046529337fe976e1f944d.tar.bz2
fix bugs in push/pop segment support, rdar://8407242
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113422 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r--lib/Target/X86/AsmParser/X86AsmParser.cpp1
-rw-r--r--lib/Target/X86/X86InstrInfo.td40
2 files changed, 36 insertions, 5 deletions
diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index 7d62c46..9a43913 100644
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -630,6 +630,7 @@ ParseInstruction(StringRef Name, SMLoc NameLoc,
.Case("iret", "iretl")
.Case("sysret", "sysretl")
.Case("push", Is64Bit ? "pushq" : "pushl")
+ .Case("pop", Is64Bit ? "popq" : "popl")
.Case("pushf", Is64Bit ? "pushfq" : "pushfl")
.Case("popf", Is64Bit ? "popfq" : "popfl")
.Case("retl", Is64Bit ? "retl" : "ret")
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 875dfa2..216d0f1 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -4274,23 +4274,53 @@ def LTRr : I<0x00, MRM3r, (outs), (ins GR16:$src),
def LTRm : I<0x00, MRM3m, (outs), (ins i16mem:$src),
"ltr{w}\t{$src}", []>, TB;
+def PUSHCS16 : I<0x0E, RawFrm, (outs), (ins),
+ "push{w}\t%cs", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHCS32 : I<0x0E, RawFrm, (outs), (ins),
+ "push{l}\t%cs", []>, Requires<[In32BitMode]>;
+def PUSHSS16 : I<0x16, RawFrm, (outs), (ins),
+ "push{w}\t%ss", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHSS32 : I<0x16, RawFrm, (outs), (ins),
+ "push{l}\t%ss", []>, Requires<[In32BitMode]>;
+def PUSHDS16 : I<0x1E, RawFrm, (outs), (ins),
+ "push{w}\t%ds", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHDS32 : I<0x1E, RawFrm, (outs), (ins),
+ "push{l}\t%ds", []>, Requires<[In32BitMode]>;
+def PUSHES16 : I<0x06, RawFrm, (outs), (ins),
+ "push{w}\t%es", []>, Requires<[In32BitMode]>, OpSize;
+def PUSHES32 : I<0x06, RawFrm, (outs), (ins),
+ "push{l}\t%es", []>, Requires<[In32BitMode]>;
+
def PUSHFS16 : I<0xa0, RawFrm, (outs), (ins),
"push{w}\t%fs", []>, OpSize, TB;
def PUSHFS32 : I<0xa0, RawFrm, (outs), (ins),
- "push{l}\t%fs", []>, TB;
+ "push{l}\t%fs", []>, TB, Requires<[In32BitMode]>;
def PUSHGS16 : I<0xa8, RawFrm, (outs), (ins),
"push{w}\t%gs", []>, OpSize, TB;
def PUSHGS32 : I<0xa8, RawFrm, (outs), (ins),
- "push{l}\t%gs", []>, TB;
-
+ "push{l}\t%gs", []>, TB, Requires<[In32BitMode]>;
+
+// No "pop cs" instruction.
+def POPSS16 : I<0x17, RawFrm, (outs), (ins),
+ "pop{w}\t%ss", []>, OpSize, Requires<[In32BitMode]>;
+def POPSS32 : I<0x17, RawFrm, (outs), (ins),
+ "pop{l}\t%ss", []> , Requires<[In32BitMode]>;
+def POPDS16 : I<0x1F, RawFrm, (outs), (ins),
+ "pop{w}\t%ds", []>, OpSize, Requires<[In32BitMode]>;
+def POPDS32 : I<0x1F, RawFrm, (outs), (ins),
+ "pop{l}\t%ds", []> , Requires<[In32BitMode]>;
+def POPES16 : I<0x07, RawFrm, (outs), (ins),
+ "pop{w}\t%es", []>, OpSize, Requires<[In32BitMode]>;
+def POPES32 : I<0x07, RawFrm, (outs), (ins),
+ "pop{l}\t%es", []> , Requires<[In32BitMode]>;
def POPFS16 : I<0xa1, RawFrm, (outs), (ins),
"pop{w}\t%fs", []>, OpSize, TB;
def POPFS32 : I<0xa1, RawFrm, (outs), (ins),
- "pop{l}\t%fs", []>, TB;
+ "pop{l}\t%fs", []>, TB , Requires<[In32BitMode]>;
def POPGS16 : I<0xa9, RawFrm, (outs), (ins),
"pop{w}\t%gs", []>, OpSize, TB;
def POPGS32 : I<0xa9, RawFrm, (outs), (ins),
- "pop{l}\t%gs", []>, TB;
+ "pop{l}\t%gs", []>, TB , Requires<[In32BitMode]>;
def LDS16rm : I<0xc5, MRMSrcMem, (outs GR16:$dst), (ins opaque32mem:$src),
"lds{w}\t{$src, $dst|$dst, $src}", []>, OpSize;