mirror of
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Fix 32-bit MSVC builds. DONT_BUILD.
git-svn-id: https://svn.eduke32.com/eduke32@4324 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
parent
e50c4069b3
commit
990c99acc2
8 changed files with 566 additions and 12 deletions
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@ -166,6 +166,9 @@ static int16_t *dotp1[MAXYDIM], *dotp2[MAXYDIM];
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static int8_t tempbuf[MAXWALLS];
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// referenced from asm
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#if !defined(NOASM) && defined __cplusplus
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extern "C" {
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#endif
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int32_t ebpbak, espbak;
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int32_t reciptable[2048], fpuasm;
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intptr_t asm1, asm2, asm3, asm4, palookupoffse[4];
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@ -174,6 +177,9 @@ int32_t vince[4];
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intptr_t bufplce[4];
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int32_t globaltilesizy;
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int32_t globalx1, globaly2, globalx3, globaly3;
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#if !defined(NOASM) && defined __cplusplus
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};
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#endif
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static intptr_t slopalookup[16384]; // was 2048
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#if defined(USE_OPENGL)
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@ -18,12 +18,12 @@
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# define YAX_MAXDRAWS 8
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#endif
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#ifdef EXTERNC
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#if !defined(NOASM) && defined __cplusplus
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extern "C" {
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#endif
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extern intptr_t asm1, asm2, asm3, asm4;
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extern int32_t globalx1, globaly2;
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#ifdef EXTERNC
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#if !defined(NOASM) && defined __cplusplus
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};
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#endif
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Binary file not shown.
Binary file not shown.
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@ -2,14 +2,13 @@
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o=o
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NAME:=libcompat-from-mingw-w64
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OBJS:=vsnprintf.$o
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%.$o: %.c
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gcc -Wall -Wextra -O3 -c $< -o $@
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$(NAME).a: $(OBJS)
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ar r $@ $<
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$(NAME).a: vsnprintf.$o
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ar rc $@ $^
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ranlib $@
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all : $(NAME).a
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@ -2,14 +2,13 @@
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o=o
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NAME:=libcompat-to-msvc
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OBJS:=io_math.$o
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%.$o: %.c
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gcc -Wall -Wextra -O3 -c $< -o $@
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$(NAME).a: $(OBJS)
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ar r $@ $<
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$(NAME).a: dll_math.$o io_math.$o
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ar rc $@ $^
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ranlib $@
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all : $(NAME).a
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554
polymer/eduke32/platform/Windows/src/compat-to-msvc/dll_math.c
Normal file
554
polymer/eduke32/platform/Windows/src/compat-to-msvc/dll_math.c
Normal file
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@ -0,0 +1,554 @@
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBKERN_QUAD_H_
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#define _LIBKERN_QUAD_H_
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/*
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* Quad arithmetic.
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*
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* This library makes the following assumptions:
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*
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* - The type long long (aka quad_t) exists.
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*
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* - A quad variable is exactly twice as long as `long'.
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*
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* - The machine's arithmetic is two's complement.
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*
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* This library can provide 128-bit arithmetic on a machine with 128-bit
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* quads and 64-bit longs, for instance, or 96-bit arithmetic on machines
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* with 48-bit longs.
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*/
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/*
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/limits.h>
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#include <sys/syslimits.h>
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*/
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#include <limits.h>
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typedef long long quad_t;
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typedef unsigned long long u_quad_t;
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typedef unsigned long u_long;
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#ifndef CHAR_BIT
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# define CHAR_BIT __CHAR_BIT__
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#endif
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/*
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* Define the order of 32-bit words in 64-bit words.
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* For little endian only.
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*/
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#define _QUAD_HIGHWORD 1
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#define _QUAD_LOWWORD 0
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/*
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* Depending on the desired operation, we view a `long long' (aka quad_t) in
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* one or more of the following formats.
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*/
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union uu {
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quad_t q; /* as a (signed) quad */
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quad_t uq; /* as an unsigned quad */
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long sl[2]; /* as two signed longs */
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u_long ul[2]; /* as two unsigned longs */
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};
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/*
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* Define high and low longwords.
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*/
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#define H _QUAD_HIGHWORD
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#define L _QUAD_LOWWORD
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/*
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* Total number of bits in a quad_t and in the pieces that make it up.
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* These are used for shifting, and also below for halfword extraction
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* and assembly.
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*/
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#define QUAD_BITS (sizeof(quad_t) * CHAR_BIT)
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#define LONG_BITS (sizeof(long) * CHAR_BIT)
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#define HALF_BITS (sizeof(long) * CHAR_BIT / 2)
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/*
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* Extract high and low shortwords from longword, and move low shortword of
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* longword to upper half of long, i.e., produce the upper longword of
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* ((quad_t)(x) << (number_of_bits_in_long/2)). (`x' must actually be u_long.)
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*
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* These are used in the multiply code, to split a longword into upper
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* and lower halves, and to reassemble a product as a quad_t, shifted left
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* (sizeof(long)*CHAR_BIT/2).
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*/
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#define HHALF(x) ((x) >> HALF_BITS)
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#define LHALF(x) ((x) & ((1 << HALF_BITS) - 1))
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#define LHUP(x) ((x) << HALF_BITS)
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typedef unsigned int qshift_t;
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quad_t __ashldi3(quad_t, qshift_t);
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quad_t __ashrdi3(quad_t, qshift_t);
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int __cmpdi2(quad_t a, quad_t b);
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quad_t __divdi3(quad_t a, quad_t b);
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quad_t __lshrdi3(quad_t, qshift_t);
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quad_t __moddi3(quad_t a, quad_t b);
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u_quad_t __qdivrem(u_quad_t u, u_quad_t v, u_quad_t *rem);
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u_quad_t __udivdi3(u_quad_t a, u_quad_t b);
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u_quad_t __umoddi3(u_quad_t a, u_quad_t b);
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int __ucmpdi2(u_quad_t a, u_quad_t b);
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#endif /* !_LIBKERN_QUAD_H_ */
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#if defined (_X86_) && !defined (__x86_64__)
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/*
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* Shift a (signed) quad value left (arithmetic shift left).
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* This is the same as logical shift left!
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*/
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quad_t
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__ashldi3(a, shift)
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quad_t a;
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qshift_t shift;
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{
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union uu aa;
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aa.q = a;
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if (shift >= LONG_BITS) {
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aa.ul[H] = shift >= QUAD_BITS ? 0 :
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aa.ul[L] << (shift - LONG_BITS);
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aa.ul[L] = 0;
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} else if (shift > 0) {
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aa.ul[H] = (aa.ul[H] << shift) |
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(aa.ul[L] >> (LONG_BITS - shift));
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aa.ul[L] <<= shift;
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}
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return (aa.q);
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}
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/*
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* Shift a (signed) quad value right (arithmetic shift right).
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*/
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quad_t
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__ashrdi3(a, shift)
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quad_t a;
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qshift_t shift;
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{
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union uu aa;
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aa.q = a;
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if (shift >= LONG_BITS) {
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long s;
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/*
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* Smear bits rightward using the machine's right-shift
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* method, whether that is sign extension or zero fill,
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* to get the `sign word' s. Note that shifting by
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* LONG_BITS is undefined, so we shift (LONG_BITS-1),
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* then 1 more, to get our answer.
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*/
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s = (aa.sl[H] >> (LONG_BITS - 1)) >> 1;
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aa.ul[L] = shift >= QUAD_BITS ? s :
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aa.sl[H] >> (shift - LONG_BITS);
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aa.ul[H] = s;
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} else if (shift > 0) {
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aa.ul[L] = (aa.ul[L] >> shift) |
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(aa.ul[H] << (LONG_BITS - shift));
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aa.sl[H] >>= shift;
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}
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return (aa.q);
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}
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/*
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* Return 0, 1, or 2 as a <, =, > b respectively.
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* Both a and b are considered signed---which means only the high word is
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* signed.
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*/
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int
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__cmpdi2(a, b)
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quad_t a, b;
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{
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union uu aa, bb;
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aa.q = a;
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bb.q = b;
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return (aa.sl[H] < bb.sl[H] ? 0 : aa.sl[H] > bb.sl[H] ? 2 :
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aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1);
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}
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/*
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* Divide two signed quads.
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* ??? if -1/2 should produce -1 on this machine, this code is wrong
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*/
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quad_t
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__divdi3(a, b)
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quad_t a, b;
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{
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u_quad_t ua, ub, uq;
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int neg;
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if (a < 0)
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ua = -(u_quad_t)a, neg = 1;
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else
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ua = a, neg = 0;
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if (b < 0)
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ub = -(u_quad_t)b, neg ^= 1;
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else
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ub = b;
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uq = __qdivrem(ua, ub, (u_quad_t *)0);
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return (neg ? -uq : uq);
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}
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/*
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* Shift an (unsigned) quad value right (logical shift right).
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*/
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quad_t
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__lshrdi3(a, shift)
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quad_t a;
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qshift_t shift;
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{
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union uu aa;
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aa.q = a;
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if (shift >= LONG_BITS) {
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aa.ul[L] = shift >= QUAD_BITS ? 0 :
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aa.ul[H] >> (shift - LONG_BITS);
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aa.ul[H] = 0;
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} else if (shift > 0) {
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aa.ul[L] = (aa.ul[L] >> shift) |
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(aa.ul[H] << (LONG_BITS - shift));
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aa.ul[H] >>= shift;
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}
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return (aa.q);
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}
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/*
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* Return remainder after dividing two signed quads.
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*
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* XXX
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* If -1/2 should produce -1 on this machine, this code is wrong.
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*/
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quad_t
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__moddi3(a, b)
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quad_t a, b;
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{
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u_quad_t ua, ub, ur;
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int neg;
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if (a < 0)
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ua = -(u_quad_t)a, neg = 1;
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else
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ua = a, neg = 0;
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if (b < 0)
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ub = -(u_quad_t)b;
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else
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ub = b;
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(void)__qdivrem(ua, ub, &ur);
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return (neg ? -ur : ur);
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}
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/*
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* Multiprecision divide. This algorithm is from Knuth vol. 2 (2nd ed),
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* section 4.3.1, pp. 257--259.
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*/
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#define B (1 << HALF_BITS) /* digit base */
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/* Combine two `digits' to make a single two-digit number. */
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#define COMBINE(a, b) (((u_long)(a) << HALF_BITS) | (b))
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/* select a type for digits in base B: use unsigned short if they fit */
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#if ULONG_MAX == 0xffffffff && USHRT_MAX >= 0xffff
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typedef unsigned short digit;
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#else
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typedef u_long digit;
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#endif
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/*
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* Shift p[0]..p[len] left `sh' bits, ignoring any bits that
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* `fall out' the left (there never will be any such anyway).
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* We may assume len >= 0. NOTE THAT THIS WRITES len+1 DIGITS.
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*/
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static void
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__shl(register digit *p, register int len, register int sh)
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{
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register int i;
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for (i = 0; i < len; i++)
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p[i] = LHALF(p[i] << sh) | (p[i + 1] >> (HALF_BITS - sh));
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p[i] = LHALF(p[i] << sh);
|
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}
|
||||
|
||||
/*
|
||||
* __qdivrem(u, v, rem) returns u/v and, optionally, sets *rem to u%v.
|
||||
*
|
||||
* We do this in base 2-sup-HALF_BITS, so that all intermediate products
|
||||
* fit within u_long. As a consequence, the maximum length dividend and
|
||||
* divisor are 4 `digits' in this base (they are shorter if they have
|
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* leading zeros).
|
||||
*/
|
||||
u_quad_t
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__qdivrem(uq, vq, arq)
|
||||
u_quad_t uq, vq, *arq;
|
||||
{
|
||||
union uu tmp;
|
||||
digit *u, *v, *q;
|
||||
register digit v1, v2;
|
||||
u_long qhat, rhat, t;
|
||||
int m, n, d, j, i;
|
||||
digit uspace[5], vspace[5], qspace[5];
|
||||
|
||||
/*
|
||||
* Take care of special cases: divide by zero, and u < v.
|
||||
*/
|
||||
if (vq == 0) {
|
||||
/* divide by zero. */
|
||||
static volatile const unsigned int zero = 0;
|
||||
|
||||
tmp.ul[H] = tmp.ul[L] = 1 / zero;
|
||||
if (arq)
|
||||
*arq = uq;
|
||||
return (tmp.q);
|
||||
}
|
||||
if (uq < vq) {
|
||||
if (arq)
|
||||
*arq = uq;
|
||||
return (0);
|
||||
}
|
||||
u = &uspace[0];
|
||||
v = &vspace[0];
|
||||
q = &qspace[0];
|
||||
|
||||
/*
|
||||
* Break dividend and divisor into digits in base B, then
|
||||
* count leading zeros to determine m and n. When done, we
|
||||
* will have:
|
||||
* u = (u[1]u[2]...u[m+n]) sub B
|
||||
* v = (v[1]v[2]...v[n]) sub B
|
||||
* v[1] != 0
|
||||
* 1 < n <= 4 (if n = 1, we use a different division algorithm)
|
||||
* m >= 0 (otherwise u < v, which we already checked)
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||||
* m + n = 4
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||||
* and thus
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||||
* m = 4 - n <= 2
|
||||
*/
|
||||
tmp.uq = uq;
|
||||
u[0] = 0;
|
||||
u[1] = HHALF(tmp.ul[H]);
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||||
u[2] = LHALF(tmp.ul[H]);
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||||
u[3] = HHALF(tmp.ul[L]);
|
||||
u[4] = LHALF(tmp.ul[L]);
|
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tmp.uq = vq;
|
||||
v[1] = HHALF(tmp.ul[H]);
|
||||
v[2] = LHALF(tmp.ul[H]);
|
||||
v[3] = HHALF(tmp.ul[L]);
|
||||
v[4] = LHALF(tmp.ul[L]);
|
||||
for (n = 4; v[1] == 0; v++) {
|
||||
if (--n == 1) {
|
||||
u_long rbj; /* r*B+u[j] (not root boy jim) */
|
||||
digit q1, q2, q3, q4;
|
||||
|
||||
/*
|
||||
* Change of plan, per exercise 16.
|
||||
* r = 0;
|
||||
* for j = 1..4:
|
||||
* q[j] = floor((r*B + u[j]) / v),
|
||||
* r = (r*B + u[j]) % v;
|
||||
* We unroll this completely here.
|
||||
*/
|
||||
t = v[2]; /* nonzero, by definition */
|
||||
q1 = u[1] / t;
|
||||
rbj = COMBINE(u[1] % t, u[2]);
|
||||
q2 = rbj / t;
|
||||
rbj = COMBINE(rbj % t, u[3]);
|
||||
q3 = rbj / t;
|
||||
rbj = COMBINE(rbj % t, u[4]);
|
||||
q4 = rbj / t;
|
||||
if (arq)
|
||||
*arq = rbj % t;
|
||||
tmp.ul[H] = COMBINE(q1, q2);
|
||||
tmp.ul[L] = COMBINE(q3, q4);
|
||||
return (tmp.q);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* By adjusting q once we determine m, we can guarantee that
|
||||
* there is a complete four-digit quotient at &qspace[1] when
|
||||
* we finally stop.
|
||||
*/
|
||||
for (m = 4 - n; u[1] == 0; u++)
|
||||
m--;
|
||||
for (i = 4 - m; --i >= 0;)
|
||||
q[i] = 0;
|
||||
q += 4 - m;
|
||||
|
||||
/*
|
||||
* Here we run Program D, translated from MIX to C and acquiring
|
||||
* a few minor changes.
|
||||
*
|
||||
* D1: choose multiplier 1 << d to ensure v[1] >= B/2.
|
||||
*/
|
||||
d = 0;
|
||||
for (t = v[1]; t < B / 2; t <<= 1)
|
||||
d++;
|
||||
if (d > 0) {
|
||||
__shl(&u[0], m + n, d); /* u <<= d */
|
||||
__shl(&v[1], n - 1, d); /* v <<= d */
|
||||
}
|
||||
/*
|
||||
* D2: j = 0.
|
||||
*/
|
||||
j = 0;
|
||||
v1 = v[1]; /* for D3 -- note that v[1..n] are constant */
|
||||
v2 = v[2]; /* for D3 */
|
||||
do {
|
||||
register digit uj0, uj1, uj2;
|
||||
|
||||
/*
|
||||
* D3: Calculate qhat (\^q, in TeX notation).
|
||||
* Let qhat = min((u[j]*B + u[j+1])/v[1], B-1), and
|
||||
* let rhat = (u[j]*B + u[j+1]) mod v[1].
|
||||
* While rhat < B and v[2]*qhat > rhat*B+u[j+2],
|
||||
* decrement qhat and increase rhat correspondingly.
|
||||
* Note that if rhat >= B, v[2]*qhat < rhat*B.
|
||||
*/
|
||||
uj0 = u[j + 0]; /* for D3 only -- note that u[j+...] change */
|
||||
uj1 = u[j + 1]; /* for D3 only */
|
||||
uj2 = u[j + 2]; /* for D3 only */
|
||||
if (uj0 == v1) {
|
||||
qhat = B;
|
||||
rhat = uj1;
|
||||
goto qhat_too_big;
|
||||
} else {
|
||||
u_long nn = COMBINE(uj0, uj1);
|
||||
qhat = nn / v1;
|
||||
rhat = nn % v1;
|
||||
}
|
||||
while (v2 * qhat > COMBINE(rhat, uj2)) {
|
||||
qhat_too_big:
|
||||
qhat--;
|
||||
if ((rhat += v1) >= B)
|
||||
break;
|
||||
}
|
||||
/*
|
||||
* D4: Multiply and subtract.
|
||||
* The variable `t' holds any borrows across the loop.
|
||||
* We split this up so that we do not require v[0] = 0,
|
||||
* and to eliminate a final special case.
|
||||
*/
|
||||
for (t = 0, i = n; i > 0; i--) {
|
||||
t = u[i + j] - v[i] * qhat - t;
|
||||
u[i + j] = LHALF(t);
|
||||
t = (B - HHALF(t)) & (B - 1);
|
||||
}
|
||||
t = u[j] - t;
|
||||
u[j] = LHALF(t);
|
||||
/*
|
||||
* D5: test remainder.
|
||||
* There is a borrow if and only if HHALF(t) is nonzero;
|
||||
* in that (rare) case, qhat was too large (by exactly 1).
|
||||
* Fix it by adding v[1..n] to u[j..j+n].
|
||||
*/
|
||||
if (HHALF(t)) {
|
||||
qhat--;
|
||||
for (t = 0, i = n; i > 0; i--) { /* D6: add back. */
|
||||
t += u[i + j] + v[i];
|
||||
u[i + j] = LHALF(t);
|
||||
t = HHALF(t);
|
||||
}
|
||||
u[j] = LHALF(u[j] + t);
|
||||
}
|
||||
q[j] = qhat;
|
||||
} while (++j <= m); /* D7: loop on j. */
|
||||
|
||||
/*
|
||||
* If caller wants the remainder, we have to calculate it as
|
||||
* u[m..m+n] >> d (this is at most n digits and thus fits in
|
||||
* u[m+1..m+n], but we may need more source digits).
|
||||
*/
|
||||
if (arq) {
|
||||
if (d) {
|
||||
for (i = m + n; i > m; --i)
|
||||
u[i] = (u[i] >> d) |
|
||||
LHALF(u[i - 1] << (HALF_BITS - d));
|
||||
u[i] = 0;
|
||||
}
|
||||
tmp.ul[H] = COMBINE(uspace[1], uspace[2]);
|
||||
tmp.ul[L] = COMBINE(uspace[3], uspace[4]);
|
||||
*arq = tmp.q;
|
||||
}
|
||||
|
||||
tmp.ul[H] = COMBINE(qspace[1], qspace[2]);
|
||||
tmp.ul[L] = COMBINE(qspace[3], qspace[4]);
|
||||
return (tmp.q);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return 0, 1, or 2 as a <, =, > b respectively.
|
||||
* Neither a nor b are considered signed.
|
||||
*/
|
||||
int
|
||||
__ucmpdi2(a, b)
|
||||
u_quad_t a, b;
|
||||
{
|
||||
union uu aa, bb;
|
||||
|
||||
aa.uq = a;
|
||||
bb.uq = b;
|
||||
return (aa.ul[H] < bb.ul[H] ? 0 : aa.ul[H] > bb.ul[H] ? 2 :
|
||||
aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Divide two unsigned quads.
|
||||
*/
|
||||
u_quad_t
|
||||
__udivdi3(a, b)
|
||||
u_quad_t a, b;
|
||||
{
|
||||
|
||||
return (__qdivrem(a, b, (u_quad_t *)0));
|
||||
}
|
||||
|
||||
/*
|
||||
* Return remainder after dividing two unsigned quads.
|
||||
*/
|
||||
u_quad_t
|
||||
__umoddi3(a, b)
|
||||
u_quad_t a, b;
|
||||
{
|
||||
u_quad_t r;
|
||||
|
||||
(void)__qdivrem(a, b, &r);
|
||||
return (r);
|
||||
}
|
||||
#else
|
||||
static int __attribute__((unused)) dummy;
|
||||
#endif /* defined (_X86_) && !defined (__x86_64__) */
|
||||
|
|
@ -37,7 +37,3 @@ long lround(double d)
|
|||
{
|
||||
return (long)(d > 0 ? d + 0.5 : ceil(d - 0.5));
|
||||
}
|
||||
long lroundf(float d)
|
||||
{
|
||||
return (long)(d > 0 ? d + 0.5 : ceilf(d - 0.5));
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue