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Last change
on this file since 210 was 210, checked in by zap, 23 years ago |
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Removed a lot of obsolete stuff.
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-
Property cvs2svn:cvs-rev
set to
1.3
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Property svn:eol-style
set to
native
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Property svn:executable
set to
*
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File size:
707 bytes
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| 1 | / trunc.s (emx+gcc) -- Copyright (c) 1992-1996 by Eberhard Mattes
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| 2 |
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| 3 | #include <emx/asm386.h>
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| 4 |
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| 5 | #define FUNC MATHSUFFIX2(trunc)
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| 6 |
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| 7 | .globl LABEL(FUNC)
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| 8 |
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| 9 | .text
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| 10 |
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| 11 | ALIGN
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| 12 |
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| 13 | / double _trunc (double x)
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| 14 |
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| 15 | #define cw1 0(%esp)
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| 16 | #define cw2 2(%esp)
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| 17 | /define ret_addr 4(%esp)
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| 18 | #define x 8(%esp)
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| 19 |
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| 20 | LABEL(FUNC):
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| 21 | PROFILE_NOFRAME
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| 22 | subl $4, %esp
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| 23 | fstcw cw1
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| 24 | movw cw1, %ax
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| 25 | andw $0xf3ff, %ax
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| 26 | orw $0x0c00, %ax /* chop by truncating toward 0 */
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| 27 | movw %ax, cw2
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| 28 | fldcw cw2
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| 29 | FLD x /* x */
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| 30 | frndint
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| 31 | fldcw cw1
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| 32 | addl $4, %esp
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| 33 | EPILOGUE(FUNC)
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