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Fix bugs and have emulator emulate itself

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This commit is contained in:
Justine Tunney 2020-08-31 05:17:31 -07:00
parent 5aabacb361
commit bd29223891
111 changed files with 1283 additions and 2073 deletions
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23
libc/tinymath/scalbf.S
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@ -20,21 +20,14 @@
#include "libc/macros.h"
.source __FILE__
/ Returns 𝑥 × 2ʸ.
/
/ @param 𝑥 is float passed in %xmm0
/ @param 𝑦 is float passed in %xmm1, which is truncated
/ @return result in %xmm0
/ @see ldexpf()
tinymath_scalbf:
push %rbp
mov %rsp,%rbp
.profilable
push %rax
movss %xmm0,-4(%rbp)
flds -4(%rbp)
movss %xmm1,-4(%rbp)
flds -4(%rbp)
fxch %st(1)
fscale
fstp %st(1)
fstps -4(%rbp)
movss -4(%rbp),%xmm0
leave
ret
cvttss2si %xmm1,%edi
jmp tinymath_ldexpf
.endfn tinymath_scalbf,globl
.alias tinymath_scalbf,scalbf