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Diffstat (limited to 'lib/arm/floatunssisfvfp.S')
| -rw-r--r-- | lib/arm/floatunssisfvfp.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/arm/floatunssisfvfp.S b/lib/arm/floatunssisfvfp.S new file mode 100644 index 000000000000..0b73577b1067 --- /dev/null +++ b/lib/arm/floatunssisfvfp.S @@ -0,0 +1,24 @@ +//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// extern float __floatunssisfvfp(unsigned int a); +// +// Converts single precision float to a 32-bit int rounding towards zero. +// Uses Darwin calling convention where a single precision result is +// return in a GPR.. +// + .align 2 +DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) + fmsr s15, r0 // move int to float register s15 + fuitos s15, s15 // convert 32-bit int in s15 to float in s15 + fmrs r0, s15 // move s15 to result register + bx lr |