AMDGPU: Error if branch distance exceeds limit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269951 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2016-05-18 16:10:24 +00:00
parent 3cd52aec7c
commit 76e32dfbc0

View File

@ -96,8 +96,12 @@ void AMDGPUAsmBackend::applyFixup(const MCFixup &Fixup, char *Data,
switch ((unsigned)Fixup.getKind()) {
case AMDGPU::fixup_si_sopp_br: {
int64_t BrImm = (Value - 4) / 4;
if (!isInt<16>(BrImm))
report_fatal_error("branch size exceeds simm16");
uint16_t *Dst = (uint16_t*)(Data + Fixup.getOffset());
*Dst = (Value - 4) / 4;
*Dst = BrImm;
break;
}