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Improve performance of printf functions

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This commit is contained in:
Justine Tunney 2021-04-24 13:58:34 -07:00
parent b107d2709f
commit dc6d11a031
39 changed files with 577 additions and 650 deletions
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28
libc/nexgen32e/cescapec.S
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@ -27,6 +27,8 @@
// @param dil contains byte to escape
// @see libc/nexgen32e/cescapec.c
cescapec:
.leafprologue
.profilable
movzbl %dil,%edi
lea -7(%rdi),%ecx
cmp $85,%cl
@ -36,28 +38,28 @@ cescapec:
jmp *cescapectab(,%rcx,8)
.Lanchorpoint:
.LBEL: mov $'a',%ah
ret
.leafepilogue
.LBS: mov $'b',%ah
ret
.leafepilogue
.LHT: mov $'t',%ah
ret
.leafepilogue
.LLF: mov $'n',%ah
ret
.leafepilogue
.LVT: mov $'v',%ah
ret
.leafepilogue
.LFF: mov $'f',%ah
ret
.leafepilogue
.LCR: mov $'r',%ah
ret
.leafepilogue
.LDQ: mov $'\"',%ah
ret
.leafepilogue
.LSQ: mov $'\'',%ah
ret
.leafepilogue
.LBSL: mov $'\\',%ah
ret
.leafepilogue
#ifdef __STRICT_ANSI__
.LQM: mov $'?',%ah
ret
.leafepilogue
#else
.LQM:
#endif
@ -65,7 +67,7 @@ cescapec:
lea -0x20(%rax),%ecx
cmp $0x5E,%ecx
ja 2f
ret
.leafepilogue
2: and $-64,%eax
mov %edi,%ecx
and $56,%ecx
@ -75,7 +77,7 @@ cescapec:
or %ecx,%edi
lea (%rdi,%rax,4),%eax
add $'0'<<030|'0'<<020|'0'<<010|'\\',%eax
ret
.leafepilogue
.endfn cescapec,globl
.initro 300,_init_cescapec