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authorPeter Maydell <peter.maydell@linaro.org>2016-02-03 13:46:34 +0000
committerPeter Maydell <peter.maydell@linaro.org>2016-02-03 13:46:34 +0000
commit0602f420e40769b1d2829dd326bb632cc71aa407 (patch)
treed617b55919e77ff353807439cb3d4911c097ea20 /disas
parent6d152ebaf4db6567cefbbd3b2b102c4a50172109 (diff)
libvixl: Avoid std::abs() of 64-bit type
The std::abs() function did not get a version that works on 'long long' until C++11. Avoid it, so that we can compile on 32-bit platforms (where int64_t is 'long long') with older compilers (which don't support C++11). Reported-by: Franz-Josef Haider <Franz-Josef.Haider@student.uibk.ac.at> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1453739429-31477-1-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'disas')
-rw-r--r--disas/libvixl/vixl/a64/disasm-a64.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/disas/libvixl/vixl/a64/disasm-a64.cc b/disas/libvixl/vixl/a64/disasm-a64.cc
index 20caba4317..7a58a5c087 100644
--- a/disas/libvixl/vixl/a64/disasm-a64.cc
+++ b/disas/libvixl/vixl/a64/disasm-a64.cc
@@ -2688,8 +2688,12 @@ void Disassembler::AppendRegisterNameToOutput(const Instruction* instr,
void Disassembler::AppendPCRelativeOffsetToOutput(const Instruction* instr,
int64_t offset) {
USE(instr);
+ uint64_t abs_offset = offset;
char sign = (offset < 0) ? '-' : '+';
- AppendToOutput("#%c0x%" PRIx64, sign, std::abs(offset));
+ if (offset < 0) {
+ abs_offset = -abs_offset;
+ }
+ AppendToOutput("#%c0x%" PRIx64, sign, abs_offset);
}