diff options
Diffstat (limited to 'lib/x86_64/floatundidf.S')
| -rw-r--r-- | lib/x86_64/floatundidf.S | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/lib/x86_64/floatundidf.S b/lib/x86_64/floatundidf.S deleted file mode 100644 index 1be553b7d1e0..000000000000 --- a/lib/x86_64/floatundidf.S +++ /dev/null @@ -1,43 +0,0 @@ -//===-- floatundidf.S - Implement __floatundidf for x86_64 ----------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements __floatundidf for the compiler_rt library. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// double __floatundidf(du_int a); - -#ifdef __x86_64__ - -#ifndef __ELF__ -.const -#endif -.align 4 -twop52: .quad 0x4330000000000000 -twop84_plus_twop52: - .quad 0x4530000000100000 -twop84: .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)(%rip) - -.text -.align 4 -DEFINE_COMPILERRT_FUNCTION(__floatundidf) - movd %edi, %xmm0 // low 32 bits of a - shrq $32, %rdi // high 32 bits of a - orq REL_ADDR(twop84), %rdi // 0x1p84 + a_hi (no rounding occurs) - orpd REL_ADDR(twop52), %xmm0 // 0x1p52 + a_lo (no rounding occurs) - movd %rdi, %xmm1 - subsd REL_ADDR(twop84_plus_twop52), %xmm1 // a_hi - 0x1p52 (no rounding occurs) - addsd %xmm1, %xmm0 // a_hi + a_lo (round happens here) - ret - -#endif // __x86_64__ |