1 // This file is distributed under the University of Illinois Open Source 2 // License. See LICENSE.TXT for details. 3 4 #include "../assembly.h" 5 6 // float __floatundisf(du_int a); 7 8 #ifdef __x86_64__ 9 10 #ifndef __ELF__ 11 .literal4 12 #endif 13 two: .single 2.0 14 15 #define REL_ADDR(_a) (_a)(%rip) 16 17 .text 18 .align 4 19 DEFINE_COMPILERRT_FUNCTION(__floatundisf) 20 movq $1, %rsi 21 testq %rdi, %rdi 22 js 1f 23 cvtsi2ssq %rdi, %xmm0 24 ret 25 26 1: andq %rdi, %rsi 27 shrq %rdi 28 orq %rsi, %rdi 29 cvtsi2ssq %rdi, %xmm0 30 mulss REL_ADDR(two), %xmm0 31 ret 32 33 #endif // __x86_64__ 34