| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| |
| #include "../assembly.h" |
| |
| // float __floatundisf(du_int a); |
| |
| #ifdef __x86_64__ |
| |
| #ifndef __ELF__ |
| .literal4 |
| #endif |
| two: .single 2.0 |
| |
| #define REL_ADDR(_a) (_a)(%rip) |
| |
| .text |
| .balign 4 |
| DEFINE_COMPILERRT_FUNCTION(__floatundisf) |
| movq $1, %rsi |
| testq %rdi, %rdi |
| js 1f |
| cvtsi2ssq %rdi, %xmm0 |
| ret |
| |
| 1: andq %rdi, %rsi |
| shrq %rdi |
| orq %rsi, %rdi |
| cvtsi2ssq %rdi, %xmm0 |
| mulss REL_ADDR(two), %xmm0 |
| ret |
| END_COMPILERRT_FUNCTION(__floatundisf) |
| |
| #endif // __x86_64__ |
