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- Still forgot qasm-inline.h
- Leave GCC more freedom in choice of registers
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parent
04821a529d
commit
206edd3419
3 changed files with 45 additions and 6 deletions
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@ -33,7 +33,7 @@ long qftolsse(float f)
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__asm__ volatile
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(
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"cvttss2si %1, %0\n"
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: "=a" (retval)
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: "=r" (retval)
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: "x" (f)
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);
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@ -61,7 +61,7 @@ long qftolx87(float f)
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"flds %1\n"
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"fistpl %1\n"
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"mov %1, %0\n"
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: "=a" (retval)
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: "=r" (retval)
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: "m" (f)
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);
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39
code/asm/qasm-inline.h
Normal file
39
code/asm/qasm-inline.h
Normal file
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@ -0,0 +1,39 @@
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#ifndef __ASM_INLINE_I386__
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#define __ASM_INLINE_I386__
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#include "../qcommon/q_platform.h"
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#ifdef idx64
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#define EAX "%%rax"
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#define EBX "%%rbx"
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#define ESP "%%rsp"
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#define EDI "%%rdi"
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#else
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#define EAX "%%eax"
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#define EBX "%%ebx"
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#define ESP "%%esp"
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#define EDI "%%edi"
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#endif
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#endif
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@ -70,13 +70,13 @@ void qsnapvectorx87(vec3_t vec)
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"sub $2, " ESP "\n"
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"fnstcw (" ESP ")\n"
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"fldcw %0\n"
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QROUNDX87("(" EAX ")")
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QROUNDX87("4(" EAX ")")
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QROUNDX87("8(" EAX ")")
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QROUNDX87("(%1)")
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QROUNDX87("4(%1)")
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QROUNDX87("8(%1)")
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"fldcw (" ESP ")\n"
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"add $2, " ESP "\n"
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:
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: "m" (fpucw), "a" (vec)
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: "m" (fpucw), "r" (vec)
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: "memory"
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);
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}
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