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authorMystery Man <unknown@mandriva.org>2003-02-25 09:37:46 +0000
committerMystery Man <unknown@mandriva.org>2003-02-25 09:37:46 +0000
commit07dc2ddb40089c216ab4ff323de177ecab8f02ef (patch)
tree0b88fcba964e83b283b89aab8740fc3cdcd0d939 /mdk-stage1/dietlibc/i386/ceil.S
parent327bd24f8e4291bd1882de1990dd7339f781a9cb (diff)
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This commit was manufactured by cvs2svn to create branch
'R9_0-64bit-branch'.
Diffstat (limited to 'mdk-stage1/dietlibc/i386/ceil.S')
-rw-r--r--mdk-stage1/dietlibc/i386/ceil.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/ceil.S b/mdk-stage1/dietlibc/i386/ceil.S
new file mode 100644
index 000000000..e6a4e989c
--- /dev/null
+++ b/mdk-stage1/dietlibc/i386/ceil.S
@@ -0,0 +1,44 @@
+.text
+
+.global ceilf,ceil,ceill,__flcetr
+ .type ceilf,@function
+ .type ceil,@function
+ .type ceill,@function
+ .type __flcetr,@function
+
+ceilf:
+ flds 4(%esp)
+ movb $0x08,%ah
+ jmp __flcetr
+
+ceill:
+ fldt 4(%esp)
+ movb $0x08,%ah
+ jmp __flcetr
+
+ceil:
+ fldl 4(%esp)
+ movb $0x08,%ah
+
+# Wspolny kod dla funkcji floor, ceil i trunc
+# W ah maska bitow 11 i 10 rejestru sterowania koprocesora
+__flcetr:
+ xorl %ecx,%ecx # wyzerowanie rejestru
+ movb %ah,%ch # i utworzenie maski w cx
+ pushl %eax # krotsze niz subl $4,%esp
+ fstcw (%esp)
+ movw (%esp),%ax
+ andb $0x03,%ah # wyzerowanie bitow 11 i 10
+ orl %ecx,%eax # ustawienie bitow z maski
+ movw %ax,2(%esp)
+ fldcw 2(%esp)
+ frndint
+ fldcw (%esp) # odtworzenie rejestru sterowania
+ popl %eax # i polozenia stosu
+ ret
+
+.Lende:
+.size ceil,.Lende-ceil
+.size ceill,.Lende-ceill
+.size ceilf,.Lende-ceilf
+.size flcetr,.Lende-__flcetr