- Still forgot qasm-inline.h

- Leave GCC more freedom in choice of registers
This commit is contained in:
Thilo Schulz 2011-06-13 11:07:13 +00:00
parent 04821a529d
commit 206edd3419
3 changed files with 45 additions and 6 deletions

View file

@ -33,7 +33,7 @@ long qftolsse(float f)
__asm__ volatile
(
"cvttss2si %1, %0\n"
: "=a" (retval)
: "=r" (retval)
: "x" (f)
);
@ -61,7 +61,7 @@ long qftolx87(float f)
"flds %1\n"
"fistpl %1\n"
"mov %1, %0\n"
: "=a" (retval)
: "=r" (retval)
: "m" (f)
);

39
code/asm/qasm-inline.h Normal file
View file

@ -0,0 +1,39 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __ASM_INLINE_I386__
#define __ASM_INLINE_I386__
#include "../qcommon/q_platform.h"
#ifdef idx64
#define EAX "%%rax"
#define EBX "%%rbx"
#define ESP "%%rsp"
#define EDI "%%rdi"
#else
#define EAX "%%eax"
#define EBX "%%ebx"
#define ESP "%%esp"
#define EDI "%%edi"
#endif
#endif

View file

@ -70,13 +70,13 @@ void qsnapvectorx87(vec3_t vec)
"sub $2, " ESP "\n"
"fnstcw (" ESP ")\n"
"fldcw %0\n"
QROUNDX87("(" EAX ")")
QROUNDX87("4(" EAX ")")
QROUNDX87("8(" EAX ")")
QROUNDX87("(%1)")
QROUNDX87("4(%1)")
QROUNDX87("8(%1)")
"fldcw (" ESP ")\n"
"add $2, " ESP "\n"
:
: "m" (fpucw), "a" (vec)
: "m" (fpucw), "r" (vec)
: "memory"
);
}