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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-01-29 21:28:01 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-01-29 21:28:01 +0000 |
| commit | 1620f1ad914bc6039f5d6c04ef4234f5bef30d20 (patch) | |
| tree | 0aa3c624e4ec1cdd9cd575732bbee5fa6d3beea6 /lib/Target/X86/X86JITInfo.cpp | |
| parent | 908049b7b6d089dde6f75f6ac47034150c948e7e (diff) | |
| download | llvm-1620f1ad914bc6039f5d6c04ef4234f5bef30d20.tar.gz llvm-1620f1ad914bc6039f5d6c04ef4234f5bef30d20.tar.bz2 llvm-1620f1ad914bc6039f5d6c04ef4234f5bef30d20.tar.xz | |
Save all registers by default, as they can be used to pass parameters
for "inreg" calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33631 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86JITInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86JITInfo.cpp | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp index ac56578029..a76167ef81 100644 --- a/lib/Target/X86/X86JITInfo.cpp +++ b/lib/Target/X86/X86JITInfo.cpp @@ -118,10 +118,9 @@ extern "C" { 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 @@ extern "C" { "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 @@ extern "C" { 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 @@ extern "C" { "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 @@ extern "C" { __asm { push eax push edx + push ecx call X86CompilationCallback2 + pop ecx pop edx pop eax ret @@ -208,7 +206,7 @@ extern "C" { 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) { |