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| author | Anton Samokhvalov <pg83@yandex.ru> | 2022-02-10 16:45:15 +0300 |
|---|---|---|
| committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:15 +0300 |
| commit | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch) | |
| tree | da2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/cxxsupp/builtins/i386/floatundixf.S | |
| parent | 778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff) | |
| download | ydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz | |
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/i386/floatundixf.S')
| -rw-r--r-- | contrib/libs/cxxsupp/builtins/i386/floatundixf.S | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatundixf.S b/contrib/libs/cxxsupp/builtins/i386/floatundixf.S index 814b52f941..c6c29e67f1 100644 --- a/contrib/libs/cxxsupp/builtins/i386/floatundixf.S +++ b/contrib/libs/cxxsupp/builtins/i386/floatundixf.S @@ -1,43 +1,43 @@ -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. - -#include "../assembly.h" - -// long double __floatundixf(du_int a);16 - -#ifdef __i386__ - -CONST_SECTION - - .balign 16 -twop52: - .quad 0x4330000000000000 - - .balign 16 -twop84_plus_twop52_neg: - .quad 0xc530000000100000 - - .balign 16 -twop84: - .quad 0x4530000000000000 - -#define REL_ADDR(_a) (_a)-0b(%eax) - -.text -.balign 4 -DEFINE_COMPILERRT_FUNCTION(__floatundixf) - calll 0f -0: popl %eax - movss 8(%esp), %xmm0 // hi 32 bits of input - movss 4(%esp), %xmm1 // lo 32 bits of input - orpd REL_ADDR(twop84), %xmm0 // 2^84 + hi (as a double) - orpd REL_ADDR(twop52), %xmm1 // 2^52 + lo (as a double) - addsd REL_ADDR(twop84_plus_twop52_neg), %xmm0 // hi - 2^52 (no rounding occurs) - movsd %xmm1, 4(%esp) - fldl 4(%esp) - movsd %xmm0, 4(%esp) - faddl 4(%esp) - ret -END_COMPILERRT_FUNCTION(__floatundixf) - -#endif // __i386__ +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. + +#include "../assembly.h" + +// long double __floatundixf(du_int a);16 + +#ifdef __i386__ + +CONST_SECTION + + .balign 16 +twop52: + .quad 0x4330000000000000 + + .balign 16 +twop84_plus_twop52_neg: + .quad 0xc530000000100000 + + .balign 16 +twop84: + .quad 0x4530000000000000 + +#define REL_ADDR(_a) (_a)-0b(%eax) + +.text +.balign 4 +DEFINE_COMPILERRT_FUNCTION(__floatundixf) + calll 0f +0: popl %eax + movss 8(%esp), %xmm0 // hi 32 bits of input + movss 4(%esp), %xmm1 // lo 32 bits of input + orpd REL_ADDR(twop84), %xmm0 // 2^84 + hi (as a double) + orpd REL_ADDR(twop52), %xmm1 // 2^52 + lo (as a double) + addsd REL_ADDR(twop84_plus_twop52_neg), %xmm0 // hi - 2^52 (no rounding occurs) + movsd %xmm1, 4(%esp) + fldl 4(%esp) + movsd %xmm0, 4(%esp) + faddl 4(%esp) + ret +END_COMPILERRT_FUNCTION(__floatundixf) + +#endif // __i386__ |