| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | math: fix x86_64 and x32 asm not to use sahf instruction | Szabolcs Nagy | 2014-11-05 | 1 | -10/+3 |
| | | | | | | | | | | | | Some early x86_64 cpus (released before 2006) did not support sahf/lahf instructions so they should be avoided (intel manual says they are only supported if CPUID.80000001H:ECX.LAHF-SAHF[bit 0] = 1). The workaround simplifies exp2l and expm1l because fucomip can be used instead of the fucomp;fnstsw;sahf sequence copied from i386. In fmodl and remainderl sahf is replaced by a simple bit test. | ||||
| * | x32 port (diff against vanilla x86_64) | rofl0r | 2014-02-23 | 1 | -21/+21 |
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| * | import vanilla x86_64 code as x32 | rofl0r | 2014-02-23 | 1 | -0/+90 |
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