1// This file is dual licensed under the MIT and the University of Illinois Open 2// Source Licenses. See LICENSE.TXT for details. 3 4#include "../assembly.h" 5 6// float __floatundisf(du_int a); 7 8#ifdef __x86_64__ 9 10CONST_SECTION 11 12 .balign 16 13two: 14 .single 2.0 15 16#define REL_ADDR(_a) (_a)(%rip) 17 18.text 19.balign 4 20DEFINE_COMPILERRT_FUNCTION(__floatundisf) 21 movq $1, %rsi 22 testq %rdi, %rdi 23 js 1f 24 cvtsi2ssq %rdi, %xmm0 25 ret 26 271: andq %rdi, %rsi 28 shrq %rdi 29 orq %rsi, %rdi 30 cvtsi2ssq %rdi, %xmm0 31 mulss REL_ADDR(two), %xmm0 32 ret 33END_COMPILERRT_FUNCTION(__floatundisf) 34 35#endif // __x86_64__ 36 37NO_EXEC_STACK_DIRECTIVE 38 39