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Make improvements

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- Introduce portable sched_getcpu() api
- Support GCC's __target_clones__ feature
- Make fma() go faster on x86 in default mode
- Remove some asan checks from core libraries
- WinMain() now ensures $HOME and $USER are defined
This commit is contained in:
Justine Tunney 2024-02-01 03:39:46 -08:00
parent d5225a693b
commit 2ab9e9f7fd
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GPG key ID: BE714B4575D6E328
192 changed files with 2809 additions and 932 deletions
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37
libc/integral/c.inc
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@ -159,7 +159,7 @@ typedef struct {
#include "libc/integral/lp64arg.inc"
#endif
#define libcesque dontthrow nocallback
#define libcesque dontthrow dontcallback
#define memcpyesque libcesque
#define strlenesque libcesque nosideeffect paramsnonnull()
#define vallocesque \
@ -364,14 +364,14 @@ typedef struct {
#endif
#endif
#ifndef nocallback
#ifndef dontcallback
#if !defined(__STRICT_ANSI__) && \
(__has_attribute(__leaf__) || \
(!defined(__llvm__) && \
(__GNUC__ + 0) * 100 + (__GNUC_MINOR__ + 0) >= 406))
#define nocallback __attribute__((__leaf__))
#define dontcallback __attribute__((__leaf__))
#else
#define nocallback
#define dontcallback
#endif
#endif
@ -645,11 +645,23 @@ void abort(void) wontreturn;
#define initarray _Section(".init_array")
#endif
#pragma GCC diagnostic ignored "-Wformat" /* todo: patch gcc */
#ifndef __llvm__
#pragma GCC diagnostic ignored "-Wformat=0" /* todo: patch gcc */
#pragma GCC diagnostic ignored "-Wbuiltin-declaration-mismatch"
#pragma GCC diagnostic warning "-Wunknown-pragmas"
#else
#pragma GCC diagnostic ignored "-Wformat"
#pragma GCC diagnostic ignored "-Wconstant-logical-operand" /* what */
#pragma GCC diagnostic ignored "-Wunknown-warning-option"
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#pragma GCC diagnostic ignored "-Wstring-plus-int" /* features 4 losers */
#pragma GCC diagnostic ignored "-Wkeyword-compat" /* c++ upgrade */
#pragma GCC diagnostic ignored "-Wuser-defined-literals" /* reserved for me */
#endif
#pragma GCC diagnostic ignored "-Wformat-extra-args" /* todo: patch gcc */
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce */
#pragma GCC diagnostic ignored "-Wunused-const-variable" /* sooo ridiculous */
#pragma GCC diagnostic ignored "-Wbuiltin-declaration-mismatch"
#ifndef __cplusplus
#pragma GCC diagnostic ignored "-Wold-style-definition" /* orwellian bullsh */
#endif
@ -745,5 +757,18 @@ void abort(void) wontreturn;
#define __funline static inline
#endif
#if defined(__x86_64__) && (defined(__GNUC__) || defined(__llvm__)) && \
!defined(__chibicc__) && 0 /* TODO: enable with toolchain upgrade */
#define __target_clones(x) __attribute__((__target_clones__(x ",default")))
#else
#define __target_clones(x)
#endif
#if !defined(TINY) && !defined(__AVX__) && 0
#define __vex __target_clones("avx")
#else
#define __vex
#endif
#define MACHINE_CODE_ANALYSIS_BEGIN_
#define MACHINE_CODE_ANALYSIS_END_