mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-28 08:12:28 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Delete some dead code

Browse source
This commit is contained in:
Justine Tunney 2024-01-01 00:11:45 -08:00
parent 9e6faa5256
commit 2f89c2482a
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
12 changed files with 0 additions and 505 deletions
Download patch file Download diff file Expand all files Collapse all files

5
libc/nexgen32e/kompressor.h
View file

@ -10,11 +10,6 @@
#define lz4decode __lz4decode
COSMOPOLITAN_C_START_
#if 0
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § standard library » compression ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#endif
struct RlDecode {
uint8_t repititions;

11
libc/nexgen32e/macros.h
View file

@ -1,11 +0,0 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_MACROS_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_MACROS_H_
#ifdef __ASSEMBLER__
#include "libc/nexgen32e/macros.internal.inc"
#else
/* let's give auto-import tooling a helping hand */
#define pbroadcastb pbroadcastb
#endif /* __ASSEMBLER__ */
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_MACROS_H_ */

89
libc/nexgen32e/macros.internal.inc
View file

@ -1,89 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
#include "libc/nexgen32e/x86feature.h"
// Broadcast byte literal to vector, e.g.
//
// # xmm0=0x12121212121212121212121212121212
// .bcblit $0x12,%al,%eax,%xmm0
//
// @param reg and regSI need to be the same register
.macro .bcblit lit:req reg:req regSI:req xmm:req
mov \lit,\reg
movd \regSI,\xmm
pbroadcastb \xmm
.endm
// Broadcast word literal to vector, e.g.
//
// # xmm0=0x01230123012301230123012301230123
// .bcwlit $0x123,%ax,%eax,%xmm0
//
// @param reg and regSI need to be the same register
.macro .bcwlit lit:req reg:req regSI:req xmm:req
mov \lit,\reg
movd \regSI,\xmm
pbroadcastw \xmm
.endm
// Broadcast int16 from register to vector.
.macro .bcwreg regSI:req xmm:req
movd \regSI,\xmm
pbroadcastw \xmm
.endm
// Sets all bytes in XMM register to first byte, e.g.
//
// mov $0x11,%eax
// movd %eax,%xmm0
// pbroadcastb %xmm0
//
// 11000000000000000000000000000000
// → 11111111111111111111111111111111
//
// @param xmm can be %xmm0,%xmm1,etc.
.macro pbroadcastb xmm:req
#if X86_NEED(AVX2)
vpbroadcastb \xmm,\xmm
#else
punpcklbw \xmm,\xmm
punpcklwd \xmm,\xmm
pshufd $0,\xmm,\xmm
#endif
.endm
// Sets all words in XMM register to first word, e.g.
//
// mov $0x1234,%eax
// movd %eax,%xmm0
// pbroadcastw %xmm0
//
// 12340000000000000000000000000000
// → 12341234123412341234123412341234
//
// @param xmm can be %xmm0,%xmm1,etc.
.macro pbroadcastw xmm:req
#if X86_NEED(AVX2)
vpbroadcastw \xmm,\xmm
#else
punpcklwd \xmm,\xmm
pshufd $0,\xmm,\xmm
#endif
.endm

54
libc/nexgen32e/pcmpstr.inc
View file

@ -1,54 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
// Documentation for Intel(R)'s “Most Complicated Instruction”(TM)
//
// mnemonic op1 op2 op3 op4 modif f description, notes
// ═══════════ ════ ════ ════ ═══ ════════ ═════════════════════════════
// PCMPESTRM XMM0 Vdq Wdq ... o..szapc Explicit Length, Return Mask
// PCMPESTRI rCX Vdq Wdq ... o..szapc Explicit Length, Return Index
// PCMPISTRM XMM0 Vdq Wdq Ib o..szapc Implicit Length, Return Mask
// PCMPISTRI rCX Vdq Wdq Ib o..szapc Implicit Length, Return Index
//
// CF ← Reset if IntRes2 is equal to zero, set otherwise
// ZF ← Set if any byte/word of xmm2/mem128 is null, reset otherwise
// SF ← Set if any byte/word of xmm1 is null, reset otherwise
// OF ← IntRes2[0]
// AF ← Reset
// PF ← Reset
//
// PCMP{E,I}STR{I,M} Control Byte
// @see Intel Manual V.2B §4.1.7
//
// ┌─0:index of the LEAST significant, set, bit is used
// │ regardless of corresponding input element validity
// │ intres2 is returned in least significant bits of xmm0
// ├─1:index of the MOST significant, set, bit is used
// │ regardless of corresponding input element validity
// │ each bit of intres2 is expanded to byte/word
// │┌─0:negation of intres1 is for all 16 (8) bits
// │├─1:negation of intres1 is masked by reg/mem validity
// ││┌─intres1 is negated (1’s complement)
// │││┌─mode{equalany,ranges,equaleach,equalordered}
// ││││ ┌─issigned
// ││││ │┌─is16bit
// u│││├┐││
.Lequalordered = 0b00001100
.Lequalorder16 = 0b00001101
.Lequalranges8 = 0b00000100

41
libc/nexgen32e/tinydivsi.greg.S
View file

@ -1,41 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Support code for fast integer division by Si units.
//
// Division by magnums is described in Hacker's Delight and is
// usually generated automatically by compilers, but sadly not
// when we optimize for size and idiv goes at least 10x slower
// so we do this which saves space while avoiding build tuning
//
// @param rdi is number to divide
// @param cl is magnum #1
// @param rdx is magnum #2
// @return quotient
tinydivsi:
.leafprologue
mov %rdi,%rax
imul %rdx
mov %rdx,%rax
sar %cl,%rax
sar $63,%rdi
sub %rdi,%rax
.leafepilogue
.endfn tinydivsi,globl

36
libc/nexgen32e/tinywcslen.greg.S
View file

@ -1,36 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// 32-bit strlen that's tiny and near optimal if data's tiny.
//
// @param RDI is wchar_t *s
// @param EAX is unsigned length
// @see libc/nexgen32e/strsak32.S
.ftrace1
tinywcslen:
.ftrace2
.leafprologue
xor %eax,%eax
1: cmpl $0,(%rdi,%rax,4)
jz 2f
inc %eax
jmp 1b
2: .leafepilogue
.endfn tinywcslen,globl

39
libc/nexgen32e/tinywcsnlen.greg.S
View file

@ -1,39 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// 32-bit strnlen that's tiny and near optimal if data's tiny.
//
// @param RDI is wchar_t *s
// @param RSI is size_t n
// @param EAX is unsigned length
// @see libc/nexgen32e/strsak32.S
.ftrace1
tinywcsnlen:
.ftrace2
.leafprologue
xor %eax,%eax
1: cmp %esi,%eax
jae 2f
cmpl $0,(%rdi,%rax,4)
jz 2f
inc %eax
jmp 1b
2: .leafepilogue
.endfn tinywcsnlen,globl

81
libc/nexgen32e/vidya.internal.h
View file

@ -1,81 +0,0 @@
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_
#define VIDYA_ROWS 25
#define VIDYA_COLUMNS 80
#define VIDYA_SIZE (VIDYA_ROWS * VIDYA_COLUMNS * 2)
#define VIDYA_MODE_MDA 7
#define VIDYA_MODE_CGA 3
#define VIDYA_ADDR_MDA 0xb0000
#define VIDYA_ADDR_CGA 0xb8000
#define VIDYA_ATTR_NORMAL 0x07 /* cozy default for both mda and cga */
#define VIDYA_REWIND ~0x7fff /* derived from mode addr min. lzcnt */
#define VIDYA_SERVICE 0x10
#define VIDYA_SET_MODE 0x0003
#define VIDYA_SET_CURSOR 0x0100
#define VIDYA_SET_CURSOR_NONE 0x2000
#define VIDYA_SET_BLINKING 0x1003
#define VIDYA_SET_BLINKING_NONE 0x0000
enum VidyaMode {
kVidyaModeMda = VIDYA_MODE_MDA,
kVidyaModeCga = VIDYA_MODE_CGA
};
enum VidyaColor {
kVidyaColorBlack = 0x0,
kVidyaColorBlue = 0x1,
kVidyaColorGreen = 0x2,
kVidyaColorCyan = 0x3,
kVidyaColorRed = 0x4,
kVidyaColorMagenta = 0x5,
kVidyaColorBrown = 0x6,
kVidyaColorLightGray = 0x7,
kVidyaColorDarkGray = 0x8,
kVidyaColorLightBlue = 0x9,
kVidyaColorLightGreen = 0xa,
kVidyaColorLightCyan = 0xb,
kVidyaColorLightRed = 0xc,
kVidyaColorLightMagenta = 0xd,
kVidyaColorYellow = 0xe,
kVidyaColorWhite = 0xf
};
struct thatispacked VidyaCell {
unsigned glyph : 8; /* IBM Code Page 437 */
union VidyaAttr {
enum {
kVidyaAttrBlank = 0x00,
kVidyaAttrNormal = VIDYA_ATTR_NORMAL,
kVidyaAttrMdaFlipped = 0x70,
kVidyaAttrMdaFlippedFaded = 0x78,
kVidyaAttrMdaFlippedIntense = 0xf0,
kVidyaAttrMdaFlippedFadedIntense = 0xf8
} preset : 8;
struct VidyaTextDecoration { /* MDA Only */
unsigned underline : 1;
unsigned __ignore1 : 1;
unsigned bold : 1;
unsigned __ignore2 : 3;
unsigned intense : 1;
} decoration;
struct { /* CGA Only */
enum VidyaColor fg : 4;
enum VidyaColor bg : 4;
} color;
} attr;
};
typedef union VidyaAttr VidyaAttr;
typedef struct VidyaCell VidyaCell;
typedef struct VidyaCell VidyaPage[VIDYA_ROWS][VIDYA_COLUMNS];
__far VidyaPage *vinit(enum VidyaMode mode);
__far VidyaPage *vcls(__far VidyaCell *pos);
__far VidyaCell *vputc(__far VidyaCell *pos, int c);
__far VidyaCell *vputs(__far VidyaCell *pos, const char *str);
__far VidyaCell *vtput(__far VidyaCell *pos, const void *data, size_t size);
__far VidyaCell *vscroll(__far VidyaCell *pos, size_t bytes);
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_VIDYA_H_ */

33
libc/nexgen32e/x87conf.inc
View file

@ -1,33 +0,0 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│ vi: set noet ft=asm ts=8 sw=8 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
// Reconfigures transcendental math coprocessor.
//
// @param \conf can be absent to restore default
// @clob x87 status and control words only
// @see Intel Manual V.1 §8.1.5
// @mode long,legacy
.macro x87conf conf=$0x33f
push %ax
pushw \conf
fclex
fldcw (%rsp)
pop %ax
pop %ax
.endm

1
libc/sysv/systemfive.S
View file

@ -20,7 +20,6 @@
#include "libc/dce.h"
#include "libc/macros.internal.h"
#include "libc/thread/pt.internal.h"
#include "libc/nexgen32e/macros.h"
#define SIG_IGN 1