Changes in directory llvm/lib/Target/X86:
X86JITInfo.cpp updated: 1.33 -> 1.34
---
Log message:
Save all registers by default, as they can be used to pass parameters
for "inreg" calls
---
Diffs of the changes: (+11 -13)
X86JITInfo.cpp | 24 +++++++++++-------------
1 files changed, 11 insertions(+), 13 deletions(-)
Index: llvm/lib/Target/X86/X86JITInfo.cpp
diff -u llvm/lib/Target/X86/X86JITInfo.cpp:1.33
llvm/lib/Target/X86/X86JITInfo.cpp:1.34
--- llvm/lib/Target/X86/X86JITInfo.cpp:1.33 Mon Dec 4 22:01:03 2006
+++ llvm/lib/Target/X86/X86JITInfo.cpp Mon Jan 29 15:28:01 2007
@@ -118,10 +118,9 @@
ASMPREFIX "X86CompilationCallback:\n"
"pushl %ebp\n"
"movl %esp, %ebp\n" // Standard prologue
-#if FASTCC_NUM_INT_ARGS_INREGS > 0
"pushl %eax\n"
- "pushl %edx\n" // Save EAX/EDX
-#endif
+ "pushl %edx\n" // Save EAX/EDX/ECX
+ "pushl %ecx\n"
#if defined(__APPLE__)
"andl $-16, %esp\n" // Align ESP on 16-byte boundary
#endif
@@ -131,11 +130,10 @@
"movl %ebp, (%esp)\n"
"call " ASMPREFIX "X86CompilationCallback2\n"
"movl %ebp, %esp\n" // Restore ESP
-#if FASTCC_NUM_INT_ARGS_INREGS > 0
- "subl $8, %esp\n"
+ "subl $12, %esp\n"
+ "popl %ecx\n"
"popl %edx\n"
"popl %eax\n"
-#endif
"popl %ebp\n"
"ret\n");
@@ -148,10 +146,9 @@
ASMPREFIX "X86CompilationCallback_SSE:\n"
"pushl %ebp\n"
"movl %esp, %ebp\n" // Standard prologue
-#if FASTCC_NUM_INT_ARGS_INREGS > 0
"pushl %eax\n"
- "pushl %edx\n" // Save EAX/EDX
-#endif
+ "pushl %edx\n" // Save EAX/EDX/ECX
+ "pushl %ecx\n"
"andl $-16, %esp\n" // Align ESP on 16-byte boundary
// Save all XMM arg registers
"subl $64, %esp\n"
@@ -170,11 +167,10 @@
"movaps 16(%esp), %xmm1\n"
"movaps (%esp), %xmm0\n"
"movl %ebp, %esp\n" // Restore ESP
-#if FASTCC_NUM_INT_ARGS_INREGS > 0
- "subl $8, %esp\n"
+ "subl $12, %esp\n"
+ "popl %ecx\n"
"popl %edx\n"
"popl %eax\n"
-#endif
"popl %ebp\n"
"ret\n");
#else
@@ -184,7 +180,9 @@
__asm {
push eax
push edx
+ push ecx
call X86CompilationCallback2
+ pop ecx
pop edx
pop eax
ret
@@ -208,7 +206,7 @@
extern "C" void X86CompilationCallback2() {
assert(sizeof(size_t) == 4); // FIXME: handle Win64
unsigned *RetAddrLoc = (unsigned *)_AddressOfReturnAddress();
- RetAddrLoc += 3; // skip over ret addr, edx, eax
+ RetAddrLoc += 4; // skip over ret addr, edx, eax, ecx
unsigned RetAddr = *RetAddrLoc;
#else
extern "C" void X86CompilationCallback2(intptr_t *StackPtr, intptr_t RetAddr) {
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