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https://github.com/jart/cosmopolitan.git
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Introduce MODE=fastbuild for 28% speedup
This commit is contained in:
Justine Tunney
parent
094ccbb4bd
commit
1729a8259c
14 changed files with 82 additions and 111 deletions
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@ -1,24 +0,0 @@
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/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.internal.h"
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.privileged
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_spinlock_yield:
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jmp sched_yield
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.endfn _spinlock_yield,globl
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@ -27,7 +27,10 @@
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* This function does not need to issue a system call. The PID is
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* tracked by a global variable which is updated at fork(). The only
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* exception is when the process is vfork()'d in which case a system
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* call shall be issued.
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* call shall be issued. This optimization helps make functions like
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* rand64() fork-safe, however it could lead to race conditions in
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* programs that mix fork() with threads. In that case, apps should
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* consider using `sys_getpid().ax` instead to force a system call.
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*
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* On Linux, and only Linux, the process id is guaranteed to be the same
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* as gettid() for the main thread.
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@ -21,13 +21,13 @@
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.macro .e e s
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.long \e - kClockNames
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.long 1f - kClockNames
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.long .L\@ - kClockNames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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.section .rodata
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.section .rodata,"a",@progbits
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.align 4
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.underrun
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kClockNames:
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@ -28,6 +28,7 @@
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.endm
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.section .rodata,"a",@progbits
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.align 4
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.underrun
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kDos2Errno:
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// .e kNtErrorInvalidFunction,ENOSYS # in consts.sh
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@ -21,9 +21,9 @@
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.macro .e e s
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.long \e - kErrnoDocs
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.long 1f - kErrnoDocs
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.long .L\@ - kErrnoDocs
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.rodata.str1.1
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1: .asciz "\s"
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.L\@: .asciz "\s"
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.previous
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.endm
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@ -21,9 +21,9 @@
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.macro .e e
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.long \e - kErrnoNames
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.long 1f - kErrnoNames
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.long .L\@ - kErrnoNames
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.rodata.str1.1
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1: .string "\e"
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.L\@: .string "\e"
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.previous
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.endm
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@ -21,9 +21,9 @@
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.macro .e e s
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.long \e - kIpOptnames
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.long 1f - kIpOptnames
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.long .L\@ - kIpOptnames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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@ -21,9 +21,9 @@
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.macro .e e s
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.long \e - kOpenFlags
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.long 1f - kOpenFlags
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.long .L\@ - kOpenFlags
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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@ -21,14 +21,14 @@
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.macro .e e s
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.long \e - kRlimitNames
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.long 1f - kRlimitNames
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.long .L\@ - kRlimitNames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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.section .rodata
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.align 4
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.align 4
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.underrun
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kRlimitNames:
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.e RLIMIT_AS,"AS"
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@ -21,14 +21,14 @@
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.macro .e e s
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.long \e - kSignalNames
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.long 1f - kSignalNames
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.long .L\@ - kSignalNames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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.section .rodata
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.align 4
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.align 4
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.underrun
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kSignalNames:
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.e SIGHUP,"SIGHUP"
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@ -21,14 +21,14 @@
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.macro .e e s
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.long \e - kSockOptnames
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.long 1f - kSockOptnames
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.long .L\@ - kSockOptnames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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.section .rodata
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.align 4
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.align 4
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.underrun
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kSockOptnames:
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.e SO_DEBUG,"DEBUG" # bool32
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@ -21,9 +21,9 @@
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.macro .e e s
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.long \e - kTcpOptnames
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.long 1f - kTcpOptnames
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.long .L\@ - kTcpOptnames
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.rodata.str1.1
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1: .string "\s"
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.L\@: .string "\s"
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.previous
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.endm
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@ -174,7 +174,8 @@ int pthread_barrier_init(pthread_barrier_t *, const pthread_barrierattr_t *,
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#define pthread_spin_init(pSpin, multiprocess) ((pSpin)->lock = 0, 0)
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#define pthread_spin_destroy(pSpin) ((pSpin)->lock = -1, 0)
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#if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407
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#if (__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 407 && \
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!defined(__STRICT_ANSI__)
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extern const errno_t EBUSY;
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#define pthread_spin_lock(pSpin) \
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({ \
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