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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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19
libc/tinymath/ldexpl.S
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@ -20,16 +20,23 @@
#include "libc/macros.h"
.source __FILE__
/ Returns 𝑥 × 2ʸ.
/
/ @param 𝑥 is long double passed on stack
/ @param 𝑦 is exponent via %edi
/ @return result in %st0
tinymath_ldexpl:
push %rbp
mov %rsp,%rbp
.profilable
sub $24,%rsp
fldt 32(%rsp)
movl %edi,12(%rsp)
fildl 12(%rsp)
fxch %st(1)
add $24,%rsp
push %rdi
fildl (%rsp)
fldt 16(%rbp)
fscale
fstp %st(1)
leave
ret
.endfn tinymath_ldexpl,globl
.alias tinymath_ldexpl,ldexpl
.alias tinymath_ldexpl,scalbnl
.alias tinymath_ldexpl,scalblnl