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PR9081: Split up LDM instruction with deprecated use of both LR and PC.

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This is completely untested but pretty straightforward, so hopefully I
got it right.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124694 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2011-02-01 22:30:51 +00:00
parent 9a14a362d0
commit 692df93de4
1 changed files with 3 additions and 2 deletions
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5
lib/Target/ARM/ARMJITInfo.cpp
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@ -43,7 +43,7 @@ static TargetJITInfo::JITCompilerFn JITCompilerFunction;
#define ASMPREFIX GETASMPREFIX(__USER_LABEL_PREFIX__)
// CompilationCallback stub - We can't use a C function with inline assembly in
// it, because we the prolog/epilog inserted by GCC won't work for us (we need
// it, because the prolog/epilog inserted by GCC won't work for us. (We need
// to preserve more context and manipulate the stack directly). Instead,
// write our own wrapper, which does things our way, so we have complete
// control over register saving and restoring.
@ -99,7 +99,8 @@ extern "C" {
// The above twiddling of the saved return addresses allows us to
// deallocate everything, including the LR the stub saved, all in one
// pop instruction.
"ldmia sp!, {r0, r1, r2, r3, lr, pc}\n"
"ldmia sp!, {r0, r1, r2, r3, lr}\n"
"ldr pc, [sp], #4\n"
);
#else // Not an ARM host
void ARMCompilationCallback() {