diff options
Diffstat (limited to 'sysdeps/i386/fpu')
| -rw-r--r-- | sysdeps/i386/fpu/e_log2.S (renamed from sysdeps/i386/fpu/s_log2.S) | 5 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_log2f.S (renamed from sysdeps/i386/fpu/s_log2f.S) | 5 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_log2l.S (renamed from sysdeps/i386/fpu/s_log2l.S) | 5 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_frexpl.S | 23 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_ilogb.S | 14 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_ilogbf.S | 14 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_ilogbl.S | 14 |
7 files changed, 50 insertions, 30 deletions
diff --git a/sysdeps/i386/fpu/s_log2.S b/sysdeps/i386/fpu/e_log2.S index 5ba40761e9..4f7f0d57d9 100644 --- a/sysdeps/i386/fpu/s_log2.S +++ b/sysdeps/i386/fpu/e_log2.S @@ -32,7 +32,7 @@ limit: .double 0.29 #endif .text -ENTRY(__log2) +ENTRY(__ieee754_log2) #ifdef PIC call 1f 1: popl %edx @@ -64,5 +64,4 @@ ENTRY(__log2) fstp %st(1) fstp %st(1) ret -END (__log2) -weak_alias (__log2, log2) +END (__ieee754_log2) diff --git a/sysdeps/i386/fpu/s_log2f.S b/sysdeps/i386/fpu/e_log2f.S index 111dc9c1d9..88f28b423c 100644 --- a/sysdeps/i386/fpu/s_log2f.S +++ b/sysdeps/i386/fpu/e_log2f.S @@ -32,7 +32,7 @@ limit: .double 0.29 #endif .text -ENTRY(__log2f) +ENTRY(__ieee754_log2f) #ifdef PIC call 1f 1: popl %edx @@ -64,5 +64,4 @@ ENTRY(__log2f) fstp %st(1) fstp %st(1) ret -END (__log2f) -weak_alias (__log2f, log2f) +END (__ieee754_log2f) diff --git a/sysdeps/i386/fpu/s_log2l.S b/sysdeps/i386/fpu/e_log2l.S index 7b645d57ab..f5c661a2d1 100644 --- a/sysdeps/i386/fpu/s_log2l.S +++ b/sysdeps/i386/fpu/e_log2l.S @@ -32,7 +32,7 @@ limit: .double 0.29 #endif .text -ENTRY(__log2l) +ENTRY(__ieee754_log2l) #ifdef PIC call 1f 1: popl %edx @@ -64,5 +64,4 @@ ENTRY(__log2l) fstp %st(1) fstp %st(1) ret -END (__log2l) -weak_alias (__log2l, log2l) +END (__ieee754_log2l) diff --git a/sysdeps/i386/fpu/s_frexpl.S b/sysdeps/i386/fpu/s_frexpl.S index 2645d220ee..56b1456fcb 100644 --- a/sysdeps/i386/fpu/s_frexpl.S +++ b/sysdeps/i386/fpu/s_frexpl.S @@ -1,5 +1,5 @@ /* ix87 specific frexp implementation for long double. - Copyright (C) 1997, 2000 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -32,12 +32,6 @@ ASM_TYPE_DIRECTIVE(two64,@object) two64: .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43 ASM_SIZE_DIRECTIVE(two64) - /* The following is LDBL_MAX / ldexp (1.0, 64), the largest - number we can handle the normal way. */ - ASM_TYPE_DIRECTIVE(largest,@object) -largest: - .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbe, 0x7f, 0, 0 - ASM_SIZE_DIRECTIVE(largest) #ifdef PIC #define MO(op) op##@GOTOFF(%edx) @@ -67,10 +61,7 @@ ENTRY (BP_SYM (__frexpl)) je 1f cmpl $0, %eax - je 2f - - cmpl $0x7fbe, %eax - ja 4f + jne 2f fldt VAL0(%esp) #ifdef PIC @@ -102,15 +93,5 @@ ENTRY (BP_SYM (__frexpl)) LEAVE ret - -4: movl VAL2(%esp), %ecx - movl %ecx, %edx - andl $0x7fff, %ecx - - andl $0x8000, %edx - subl $16382, %ecx - orl $0x3ffe, %edx - movl %edx, VAL2(%esp) - jmp 1b END (BP_SYM (__frexpl)) weak_alias (BP_SYM (__frexpl), BP_SYM (frexpl)) diff --git a/sysdeps/i386/fpu/s_ilogb.S b/sysdeps/i386/fpu/s_ilogb.S index 36fb000c02..68d9c1a680 100644 --- a/sysdeps/i386/fpu/s_ilogb.S +++ b/sysdeps/i386/fpu/s_ilogb.S @@ -9,6 +9,16 @@ RCSID("$NetBSD: s_ilogb.S,v 1.5 1995/10/12 15:53:09 jtc Exp $") ENTRY(__ilogb) fldl 4(%esp) +/* I added the following ugly construct because ilogb(+-Inf) is + required to return INT_MAX in ISO C99. + -- jakub@redhat.com. */ + fxam /* Is NaN or +-Inf? */ + fstsw %ax + movb $0x45, %dh + andb %ah, %dh + cmpb $0x05, %dh + je 1f /* Is +-Inf, jump. */ + fxtract pushl %eax fstp %st @@ -18,5 +28,9 @@ ENTRY(__ilogb) popl %eax ret + +1: fstp %st + movl $0x7fffffff, %eax + ret END (__ilogb) weak_alias (__ilogb, ilogb) diff --git a/sysdeps/i386/fpu/s_ilogbf.S b/sysdeps/i386/fpu/s_ilogbf.S index 54f9d4647e..521afe2b60 100644 --- a/sysdeps/i386/fpu/s_ilogbf.S +++ b/sysdeps/i386/fpu/s_ilogbf.S @@ -9,6 +9,16 @@ RCSID("$NetBSD: s_ilogbf.S,v 1.4 1995/10/22 20:32:43 pk Exp $") ENTRY(__ilogbf) flds 4(%esp) +/* I added the following ugly construct because ilogb(+-Inf) is + required to return INT_MAX in ISO C99. + -- jakub@redhat.com. */ + fxam /* Is NaN or +-Inf? */ + fstsw %ax + movb $0x45, %dh + andb %ah, %dh + cmpb $0x05, %dh + je 1f /* Is +-Inf, jump. */ + fxtract pushl %eax fstp %st @@ -18,5 +28,9 @@ ENTRY(__ilogbf) popl %eax ret + +1: fstp %st + movl $0x7fffffff, %eax + ret END (__ilogbf) weak_alias (__ilogbf, ilogbf) diff --git a/sysdeps/i386/fpu/s_ilogbl.S b/sysdeps/i386/fpu/s_ilogbl.S index 1dad93abeb..ed547bdc8b 100644 --- a/sysdeps/i386/fpu/s_ilogbl.S +++ b/sysdeps/i386/fpu/s_ilogbl.S @@ -10,6 +10,16 @@ RCSID("$NetBSD: $") ENTRY(__ilogbl) fldt 4(%esp) +/* I added the following ugly construct because ilogb(+-Inf) is + required to return INT_MAX in ISO C99. + -- jakub@redhat.com. */ + fxam /* Is NaN or +-Inf? */ + fstsw %ax + movb $0x45, %dh + andb %ah, %dh + cmpb $0x05, %dh + je 1f /* Is +-Inf, jump. */ + fxtract pushl %eax fstp %st @@ -19,5 +29,9 @@ ENTRY(__ilogbl) popl %eax ret + +1: fstp %st + movl $0x7fffffff, %eax + ret END (__ilogbl) weak_alias (__ilogbl, ilogbl) |