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-rw-r--r--llvm/lib/Target/ARM/ARMAsmPrinter.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
index d24ffad1a08..49a33774467 100644
--- a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -698,6 +698,12 @@ void ARMAsmPrinter::emitAttributes() {
ARMBuildAttrs::IEEEDenormals);
ATS.emitAttribute(ARMBuildAttrs::ABI_FP_exceptions,
ARMBuildAttrs::Allowed);
+
+ // If the user has permitted this code to choose the IEEE 754
+ // rounding at run-time, emit the rounding attribute.
+ if (TM.Options.HonorSignDependentRoundingFPMathOption)
+ ATS.emitAttribute(ARMBuildAttrs::ABI_FP_rounding,
+ ARMBuildAttrs::Allowed);
} else {
if (!Subtarget->hasVFP2()) {
// When the target doesn't have an FPU (by design or
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