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-rw-r--r--sysdeps/libm-i387/e_exp.S21
-rw-r--r--sysdeps/libm-i387/e_expf.S19
-rw-r--r--sysdeps/libm-i387/e_expl.S19
-rw-r--r--sysdeps/libm-i387/e_log.S2
-rw-r--r--sysdeps/libm-i387/e_log10.S2
-rw-r--r--sysdeps/libm-i387/e_log10f.S2
-rw-r--r--sysdeps/libm-i387/e_log10l.S2
-rw-r--r--sysdeps/libm-i387/e_logf.S2
-rw-r--r--sysdeps/libm-i387/e_logl.S2
-rw-r--r--sysdeps/libm-i387/e_pow.S120
-rw-r--r--sysdeps/libm-i387/e_powf.S120
-rw-r--r--sysdeps/libm-i387/e_powl.S120
-rw-r--r--sysdeps/libm-i387/s_asinh.S2
-rw-r--r--sysdeps/libm-i387/s_asinhf.S2
-rw-r--r--sysdeps/libm-i387/s_asinhl.S2
-rw-r--r--sysdeps/libm-i387/s_ceil.S20
-rw-r--r--sysdeps/libm-i387/s_ceilf.S20
-rw-r--r--sysdeps/libm-i387/s_ceill.S20
-rw-r--r--sysdeps/libm-i387/s_expm1.S83
-rw-r--r--sysdeps/libm-i387/s_expm1f.S83
-rw-r--r--sysdeps/libm-i387/s_expm1l.S83
-rw-r--r--sysdeps/libm-i387/s_floor.S26
-rw-r--r--sysdeps/libm-i387/s_floorf.S26
-rw-r--r--sysdeps/libm-i387/s_floorl.S26
-rw-r--r--sysdeps/libm-i387/s_significandl.S2
25 files changed, 716 insertions, 110 deletions
diff --git a/sysdeps/libm-i387/e_exp.S b/sysdeps/libm-i387/e_exp.S
index 4505ebd309..3c9d45b746 100644
--- a/sysdeps/libm-i387/e_exp.S
+++ b/sysdeps/libm-i387/e_exp.S
@@ -5,7 +5,7 @@
#include <machine/asm.h>
-RCSID("$NetBSD: e_exp.S,v 1.4 1995/05/08 23:47:04 jtc Exp $")
+RCSID("$NetBSD: e_exp.S,v 1.7 1996/07/03 17:31:28 jtc Exp $")
/* e^x = 2^(x * log2(e)) */
ENTRY(__ieee754_exp)
@@ -16,16 +16,16 @@ ENTRY(__ieee754_exp)
-- drepper@cygnus.com. */
fxam /* Is NaN or +-Inf? */
fstsw %ax
- sahf
- jnc .LnoInfNaN /* No, jump. */
- jp .LisInf /* Is +-Inf, jump. */
-.LnoInfNaN:
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
fstl %st(1)
frndint /* int(x * log2(e)) */
- fstl %st(2)
- fsubrp /* fract(x * log2(e)) */
+ fsub %st,%st(1) /* fract(x * log2(e)) */
+ fxch
f2xm1 /* 2^(fract(x * log2(e))) - 1 */
fld1
faddp /* 2^(fract(x * log2(e))) */
@@ -33,9 +33,8 @@ ENTRY(__ieee754_exp)
fstp %st(1)
ret
-.LisInf:
- andb $2, %ah /* Test sign. */
- jz .LpInf /* If positive, jump. */
+1: testl $0x200, %eax /* Test sign. */
+ jz 2f /* If positive, jump. */
fldz /* Set result to 0. */
-.LpInf: ret
+2: ret
END (__ieee754_exp)
diff --git a/sysdeps/libm-i387/e_expf.S b/sysdeps/libm-i387/e_expf.S
index c8233eba50..cd8dc7f0b9 100644
--- a/sysdeps/libm-i387/e_expf.S
+++ b/sysdeps/libm-i387/e_expf.S
@@ -17,16 +17,16 @@ ENTRY(__ieee754_expf)
-- drepper@cygnus.com. */
fxam /* Is NaN or +-Inf? */
fstsw %ax
- sahf
- jnc .LnoInfNaN /* No, jump. */
- jp .LisInf /* Is +-Inf, jump. */
-.LnoInfNaN:
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
fstl %st(1)
frndint /* int(x * log2(e)) */
- fstl %st(2)
- fsubrp /* fract(x * log2(e)) */
+ fsub %st,%st(1) /* fract(x * log2(e)) */
+ fxch
f2xm1 /* 2^(fract(x * log2(e))) - 1 */
fld1
faddp /* 2^(fract(x * log2(e))) */
@@ -34,9 +34,8 @@ ENTRY(__ieee754_expf)
fstp %st(1)
ret
-.LisInf:
- andb $2, %ah /* Test sign. */
- jz .LpInf /* If positive, jump. */
+1: testl $0x200, %eax /* Test sign. */
+ jz 2f /* If positive, jump. */
fldz /* Set result to 0. */
-.LpInf: ret
+2: ret
END (__ieee754_expf)
diff --git a/sysdeps/libm-i387/e_expl.S b/sysdeps/libm-i387/e_expl.S
index 9103a923aa..e398a90ef6 100644
--- a/sysdeps/libm-i387/e_expl.S
+++ b/sysdeps/libm-i387/e_expl.S
@@ -18,16 +18,16 @@ ENTRY(__ieee754_expl)
-- drepper@cygnus.com. */
fxam /* Is NaN or +-Inf? */
fstsw %ax
- sahf
- jnc .LnoInfNaN /* No, jump. */
- jp .LisInf /* Is +-Inf, jump. */
-.LnoInfNaN:
+ movb $0x45, %dh
+ andb %ah, %dh
+ cmpb $0x05, %dh
+ je 1f /* Is +-Inf, jump. */
fldl2e
fmulp /* x * log2(e) */
fstl %st(1)
frndint /* int(x * log2(e)) */
- fstl %st(2)
- fsubrp /* fract(x * log2(e)) */
+ fsub %st,%st(1) /* fract(x * log2(e)) */
+ fxch
f2xm1 /* 2^(fract(x * log2(e))) - 1 */
fld1
faddp /* 2^(fract(x * log2(e))) */
@@ -35,9 +35,8 @@ ENTRY(__ieee754_expl)
fstp %st(1)
ret
-.LisInf:
- andb $2, %ah /* Test sign. */
- jz .LpInf /* If positive, jump. */
+1: testl $0x200, %eax /* Test sign. */
+ jz 2f /* If positive, jump. */
fldz /* Set result to 0. */
-.LpInf: ret
+2: ret
END (__ieee754_expl)
diff --git a/sysdeps/libm-i387/e_log.S b/sysdeps/libm-i387/e_log.S
index 43d430332c..e7f567d950 100644
--- a/sysdeps/libm-i387/e_log.S
+++ b/sysdeps/libm-i387/e_log.S
@@ -53,7 +53,7 @@ ENTRY(__ieee754_log)
fyl2xp1 // log(x)
ret
-2: fincstp // x : log(2)
+2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
END (__ieee754_log)
diff --git a/sysdeps/libm-i387/e_log10.S b/sysdeps/libm-i387/e_log10.S
index 95efc8f7a2..ecb691b905 100644
--- a/sysdeps/libm-i387/e_log10.S
+++ b/sysdeps/libm-i387/e_log10.S
@@ -53,7 +53,7 @@ ENTRY(__ieee754_log10)
fyl2xp1 // log10(x)
ret
-2: fincstp // x : log10(2)
+2: fstp %st(0) // x : log10(2)
fyl2x // log10(x)
ret
END (__ieee754_log10)
diff --git a/sysdeps/libm-i387/e_log10f.S b/sysdeps/libm-i387/e_log10f.S
index bddb5011bc..aac58d0293 100644
--- a/sysdeps/libm-i387/e_log10f.S
+++ b/sysdeps/libm-i387/e_log10f.S
@@ -54,7 +54,7 @@ ENTRY(__ieee754_log10f)
fyl2xp1 // log10(x)
ret
-2: fincstp // x : log10(2)
+2: fstp %st(0) // x : log10(2)
fyl2x // log10(x)
ret
END (__ieee754_log10f)
diff --git a/sysdeps/libm-i387/e_log10l.S b/sysdeps/libm-i387/e_log10l.S
index f0b8f325a7..4f51818bdd 100644
--- a/sysdeps/libm-i387/e_log10l.S
+++ b/sysdeps/libm-i387/e_log10l.S
@@ -55,7 +55,7 @@ ENTRY(__ieee754_log10l)
fyl2xp1 // log10(x)
ret
-2: fincstp // x : log10(2)
+2: fstp %st(0) // x : log10(2)
fyl2x // log10(x)
ret
END(__ieee754_log10l)
diff --git a/sysdeps/libm-i387/e_logf.S b/sysdeps/libm-i387/e_logf.S
index b79f478cdf..4459b7fc08 100644
--- a/sysdeps/libm-i387/e_logf.S
+++ b/sysdeps/libm-i387/e_logf.S
@@ -54,7 +54,7 @@ ENTRY(__ieee754_logf)
fyl2xp1 // log(x)
ret
-2: fincstp // x : log(2)
+2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
END (__ieee754_logf)
diff --git a/sysdeps/libm-i387/e_logl.S b/sysdeps/libm-i387/e_logl.S
index 1657dfd5fb..08447a27e7 100644
--- a/sysdeps/libm-i387/e_logl.S
+++ b/sysdeps/libm-i387/e_logl.S
@@ -54,7 +54,7 @@ ENTRY(__ieee754_logl)
fyl2xp1 // log(x)
ret
-2: fincstp // x : log(2)
+2: fstp %st(0) // x : log(2)
fyl2x // log(x)
ret
END (__ieee754_logl)
diff --git a/sysdeps/libm-i387/e_pow.S b/sysdeps/libm-i387/e_pow.S
new file mode 100644
index 0000000000..f6c7562d9c
--- /dev/null
+++ b/sysdeps/libm-i387/e_pow.S
@@ -0,0 +1,120 @@
+/* ix87 specific implementation of pow function.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(limit,@object)
+limit: .double 0.29
+ ASM_SIZE_DIRECTIVE(limit)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__ieee754_pow)
+ fldl 4(%esp) // x
+ fldl 12(%esp) // y : x
+
+#ifdef PIC
+ call 1f
+1: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+ subl $8,%esp
+
+ /* First see whether `y' is a natural number. In this case we
+ can use a more precise algorithm. */
+ fld %st // y : y : x
+ fistpll (%esp) // y : x
+ fildll (%esp) // int(y) : y : x
+ fucomp %st(1) // y : x
+ fnstsw
+ sahf
+ jne 2f
+
+ /* OK, we have an integer value for y. */
+ ftst // y : x
+ fstp %st(0) // x
+ fnstsw
+ sahf
+ popl %eax
+ popl %edx
+ jnc 4f // y >= 0, jump
+ fdivrl MO(one) // 1/x (now referred to as x)
+ negl %eax
+ adcl $0, %edx
+ negl %edx
+4: fldl MO(one) // 1 : x
+ fxch
+
+6: shrdl $1, %edx, %eax
+ jnc 5f
+ fxch
+ fmul %st(1) // x : ST*x
+ fxch
+5: fmul %st(0), %st // x*x : ST*x
+ movl %eax, %ecx
+ orl %edx, %ecx
+ jnz 6b
+ fstp %st(0) // ST*x
+ ret
+
+ .align ALIGNARG(4)
+2: /* y is a real number. */
+ fxch // x : y
+ fldl MO(one) // 1.0 : x : y
+ fld %st(1) // x : 1.0 : x : y
+ fsub %st(1) // x-1 : 1.0 : x : y
+ fabs // |x-1| : 1.0 : x : y
+ fcompl MO(limit) // 1.0 : x : y
+ fnstsw
+ fxch // x : 1.0 : y
+ sahf
+ ja 7f
+ fsub %st(1) // x-1 : 1.0 : y
+ fyl2xp1 // log2(x) : y
+ jmp 8f
+
+7: fyl2x // log2(x) : y
+8: fmul %st(1) // y*log2(x) : y
+ fst %st(1) // y*log2(x) : y*log2(x)
+ frndint // int(y*log2(x)) : y*log2(x)
+ fsubr %st, %st(1) // int(y*log2(x)) : fract(y*log2(x))
+ fxch // fract(y*log2(x)) : int(y*log2(x))
+ f2xm1 // 2^fract(y*log2(x))-1 : int(y*log2(x))
+ faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
+ fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x))
+ addl $8, %esp
+ fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
+ ret
+END(__ieee754_pow)
diff --git a/sysdeps/libm-i387/e_powf.S b/sysdeps/libm-i387/e_powf.S
new file mode 100644
index 0000000000..9d6bc510b6
--- /dev/null
+++ b/sysdeps/libm-i387/e_powf.S
@@ -0,0 +1,120 @@
+/* ix87 specific implementation of pow function.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(limit,@object)
+limit: .double 0.29
+ ASM_SIZE_DIRECTIVE(limit)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__ieee754_powf)
+ flds 4(%esp) // x
+ flds 8(%esp) // y : x
+
+#ifdef PIC
+ call 1f
+1: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+ subl $8,%esp
+
+ /* First see whether `y' is a natural number. In this case we
+ can use a more precise algorithm. */
+ fld %st // y : y : x
+ fistpll (%esp) // y : x
+ fildll (%esp) // int(y) : y : x
+ fucomp %st(1) // y : x
+ fnstsw
+ sahf
+ jne 2f
+
+ /* OK, we have an integer value for y. */
+ ftst // y : x
+ fstp %st(0) // x
+ fnstsw
+ sahf
+ popl %eax
+ popl %edx
+ jnc 4f // y >= 0, jump
+ fdivrl MO(one) // 1/x (now referred to as x)
+ negl %eax
+ adcl $0, %edx
+ negl %edx
+4: fldl MO(one) // 1 : x
+ fxch
+
+6: shrdl $1, %edx, %eax
+ jnc 5f
+ fxch
+ fmul %st(1) // x : ST*x
+ fxch
+5: fmul %st(0), %st // x*x : ST*x
+ movl %eax, %ecx
+ orl %edx, %ecx
+ jnz 6b
+ fstp %st(0) // ST*x
+ ret
+
+ .align ALIGNARG(4)
+2: /* y is a real number. */
+ fxch // x : y
+ fldl MO(one) // 1.0 : x : y
+ fld %st(1) // x : 1.0 : x : y
+ fsub %st(1) // x-1 : 1.0 : x : y
+ fabs // |x-1| : 1.0 : x : y
+ fcompl MO(limit) // 1.0 : x : y
+ fnstsw
+ fxch // x : 1.0 : y
+ sahf
+ ja 7f
+ fsub %st(1) // x-1 : 1.0 : y
+ fyl2xp1 // log2(x) : y
+ jmp 8f
+
+7: fyl2x // log2(x) : y
+8: fmul %st(1) // y*log2(x) : y
+ fst %st(1) // y*log2(x) : y*log2(x)
+ frndint // int(y*log2(x)) : y*log2(x)
+ fsubr %st, %st(1) // int(y*log2(x)) : fract(y*log2(x))
+ fxch // fract(y*log2(x)) : int(y*log2(x))
+ f2xm1 // 2^fract(y*log2(x))-1 : int(y*log2(x))
+ faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
+ fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x))
+ addl $8, %esp
+ fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
+ ret
+END(__ieee754_powf)
diff --git a/sysdeps/libm-i387/e_powl.S b/sysdeps/libm-i387/e_powl.S
new file mode 100644
index 0000000000..ea445804f0
--- /dev/null
+++ b/sysdeps/libm-i387/e_powl.S
@@ -0,0 +1,120 @@
+/* ix87 specific implementation of pow function.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(limit,@object)
+limit: .double 0.29
+ ASM_SIZE_DIRECTIVE(limit)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%ecx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__ieee754_powl)
+ fldt 4(%esp) // x
+ fldt 16(%esp) // y : x
+
+#ifdef PIC
+ call 1f
+1: popl %ecx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx
+#endif
+ subl $8,%esp
+
+ /* First see whether `y' is a natural number. In this case we
+ can use a more precise algorithm. */
+ fld %st // y : y : x
+ fistpll (%esp) // y : x
+ fildll (%esp) // int(y) : y : x
+ fucomp %st(1) // y : x
+ fnstsw
+ sahf
+ jne 2f
+
+ /* OK, we have an integer value for y. */
+ ftst // y : x
+ fstp %st(0) // x
+ fnstsw
+ sahf
+ popl %eax
+ popl %edx
+ jnc 4f // y >= 0, jump
+ fdivrl MO(one) // 1/x (now referred to as x)
+ negl %eax
+ adcl $0, %edx
+ negl %edx
+4: fldl MO(one) // 1 : x
+ fxch
+
+6: shrdl $1, %edx, %eax
+ jnc 5f
+ fxch
+ fmul %st(1) // x : ST*x
+ fxch
+5: fmul %st(0), %st // x*x : ST*x
+ movl %eax, %ecx
+ orl %edx, %ecx
+ jnz 6b
+ fstp %st(0) // ST*x
+ ret
+
+ .align ALIGNARG(4)
+2: /* y is a real number. */
+ fxch // x : y
+ fldl MO(one) // 1.0 : x : y
+ fld %st(1) // x : 1.0 : x : y
+ fsub %st(1) // x-1 : 1.0 : x : y
+ fabs // |x-1| : 1.0 : x : y
+ fcompl MO(limit) // 1.0 : x : y
+ fnstsw
+ fxch // x : 1.0 : y
+ sahf
+ ja 7f
+ fsub %st(1) // x-1 : 1.0 : y
+ fyl2xp1 // log2(x) : y
+ jmp 8f
+
+7: fyl2x // log2(x) : y
+8: fmul %st(1) // y*log2(x) : y
+ fst %st(1) // y*log2(x) : y*log2(x)
+ frndint // int(y*log2(x)) : y*log2(x)
+ fsubr %st, %st(1) // int(y*log2(x)) : fract(y*log2(x))
+ fxch // fract(y*log2(x)) : int(y*log2(x))
+ f2xm1 // 2^fract(y*log2(x))-1 : int(y*log2(x))
+ faddl MO(one) // 2^fract(y*log2(x)) : int(y*log2(x))
+ fscale // 2^fract(y*log2(x))*2^int(y*log2(x)) : int(y*log2(x))
+ addl $8, %esp
+ fstp %st(1) // 2^fract(y*log2(x))*2^int(y*log2(x))
+ ret
+END(__ieee754_powl)
diff --git a/sysdeps/libm-i387/s_asinh.S b/sysdeps/libm-i387/s_asinh.S
index 9b58eaa424..a71d0b66f4 100644
--- a/sysdeps/libm-i387/s_asinh.S
+++ b/sysdeps/libm-i387/s_asinh.S
@@ -101,7 +101,7 @@ ENTRY(__asinh)
fchs // x
4: fld %st // x : x
faddl MO(huge) // huge+x : x
- fincstp // x
+ fstp %st(0) // x
ret
// |x| > 2^28 => y = sign(x) * (log(|x|) + log(2))
diff --git a/sysdeps/libm-i387/s_asinhf.S b/sysdeps/libm-i387/s_asinhf.S
index d0a99a9461..f47bc9e0ac 100644
--- a/sysdeps/libm-i387/s_asinhf.S
+++ b/sysdeps/libm-i387/s_asinhf.S
@@ -101,7 +101,7 @@ ENTRY(__asinhf)
fchs // x
4: fld %st // x : x
faddl MO(huge) // huge+x : x
- fincstp // x
+ fstp %st(0) // x
ret
// |x| > 2^14 => y = sign(x) * (log(|x|) + log(2))
diff --git a/sysdeps/libm-i387/s_asinhl.S b/sysdeps/libm-i387/s_asinhl.S
index 28f76c2649..e112244908 100644
--- a/sysdeps/libm-i387/s_asinhl.S
+++ b/sysdeps/libm-i387/s_asinhl.S
@@ -109,7 +109,7 @@ ENTRY(__asinhl)
4: fld %st // x : x
fldt MO(huge) // huge : x : x
faddp // huge+x : x
- fincstp // x
+ fstp %st(0) // x
ret
// |x| > 2^34 => y = sign(x) * (log(|x|) + log(2))
diff --git a/sysdeps/libm-i387/s_ceil.S b/sysdeps/libm-i387/s_ceil.S
index 309fe882f8..b0159128aa 100644
--- a/sysdeps/libm-i387/s_ceil.S
+++ b/sysdeps/libm-i387/s_ceil.S
@@ -8,27 +8,25 @@
RCSID("$NetBSD: s_ceil.S,v 1.4 1995/05/08 23:52:13 jtc Exp $")
ENTRY(__ceil)
- pushl %ebp
- movl %esp,%ebp
+ fldl 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
+ fstcw 4(%esp) /* store fpu control word */
/* We use here %edx although only the low 1 bits are defined.
But none of the operations should care and they are faster
than the 16 bit operations. */
- movl -4(%ebp),%edx
- orl $0x0800,%edx /* round towards +oo */
+ movl $0x0800,%edx /* round towards +oo */
+ orl 4(%esp),%edx
andl $0xfbff,%edx
- movl %edx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- fldl 8(%ebp); /* round */
- frndint
+ frndint /* round */
- fldcw -4(%ebp) /* restore original control word */
+ fldcw 4(%esp) /* restore original control word */
- leave
+ addl $8,%esp
ret
END (__ceil)
weak_alias (__ceil, ceil)
diff --git a/sysdeps/libm-i387/s_ceilf.S b/sysdeps/libm-i387/s_ceilf.S
index 768d117021..352d40d7ce 100644
--- a/sysdeps/libm-i387/s_ceilf.S
+++ b/sysdeps/libm-i387/s_ceilf.S
@@ -8,27 +8,25 @@
RCSID("$NetBSD: s_ceilf.S,v 1.3 1995/05/08 23:52:44 jtc Exp $")
ENTRY(__ceilf)
- pushl %ebp
- movl %esp,%ebp
+ flds 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
+ fstcw 4(%esp) /* store fpu control word */
/* We use here %edx although only the low 1 bits are defined.
But none of the operations should care and they are faster
than the 16 bit operations. */
- movl -4(%ebp),%edx
- orl $0x0800,%edx /* round towards +oo */
+ movl $0x0800,%edx /* round towards +oo */
+ orl 4(%esp),%edx
andl $0xfbff,%edx
- movl %edx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- flds 8(%ebp); /* round */
- frndint
+ frndint /* round */
- fldcw -4(%ebp) /* restore original control word */
+ fldcw 4(%esp) /* restore original control word */
- leave
+ addl $8,%esp
ret
END (__ceilf)
weak_alias (__ceilf, ceilf)
diff --git a/sysdeps/libm-i387/s_ceill.S b/sysdeps/libm-i387/s_ceill.S
index dcf8719af3..0128966ebe 100644
--- a/sysdeps/libm-i387/s_ceill.S
+++ b/sysdeps/libm-i387/s_ceill.S
@@ -9,27 +9,25 @@
RCSID("$NetBSD: $")
ENTRY(__ceill)
- pushl %ebp
- movl %esp,%ebp
+ fldt 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
+ fstcw 4(%esp) /* store fpu control word */
/* We use here %edx although only the low 1 bits are defined.
But none of the operations should care and they are faster
than the 16 bit operations. */
- movl -4(%ebp),%edx
- orl $0x0800,%edx /* round towards +oo */
+ movl $0x0800,%edx /* round towards +oo */
+ orl 4(%esp),%edx
andl $0xfbff,%edx
- movl %edx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- fldt 8(%ebp); /* round */
- frndint
+ frndint /* round */
- fldcw -4(%ebp) /* restore original control word */
+ fldcw 4(%esp) /* restore original control word */
- leave
+ addl $8,%esp
ret
END (__ceill)
weak_alias (__ceill, ceill)
diff --git a/sysdeps/libm-i387/s_expm1.S b/sysdeps/libm-i387/s_expm1.S
new file mode 100644
index 0000000000..2685d6e770
--- /dev/null
+++ b/sysdeps/libm-i387/s_expm1.S
@@ -0,0 +1,83 @@
+/* ix87 specific implementation of exp(x)-1.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+ Based on code by John C. Bowman <bowman@ipp-garching.mpg.de>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ /* Using: e^x - 1 = 2^(x * log2(e)) - 1 */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(l2e,@object)
+l2e: .tfloat 1.442695040888963407359924681002
+ ASM_SIZE_DIRECTIVE(l2e)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%edx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__expm1)
+ fldl 4(%esp) // x
+ fxam // Is NaN or +-Inf?
+ fstsw %ax
+#ifdef PIC
+ call 1f
+1: popl %edx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
+#endif
+ movb $0x45, %ch
+ andb %ah, %ch
+ cmpb $0x05, %ch
+ je 2f // Is +-Inf, jump.
+
+ fldt MO(l2e) // log2(e) : x
+ fmulp // log2(e)*x
+ fld %st // log2(e)*x : log2(e)*x
+ frndint // int(log2(e)*x) : log2(e)*x
+ fsub %st, %st(1) // int(log2(e)*x) : fract(log2(e)*x)
+ fxch // fract(log2(e)*x) : int(log2(e)*x)
+ f2xm1 // 2^fract(log2(e)*x)-1 : int(log2(e)*x)
+ fscale // 2^(log2(e)*x)-2^int(log2(e)*x) : int(log2(e)*x)
+ fxch // int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fldl MO(one) // 1 : int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fscale // 2^int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ faddp // 2^(log2(e)*x)
+ fsubl MO(one)
+ ret
+
+2: testl $0x200, %eax // Test sign.
+ jz 3f // If positive, jump.
+ fldl MO(zero) // Set result to 0.
+3: ret
+END(__expm1)
+weak_alias (__expm1, expm1)
diff --git a/sysdeps/libm-i387/s_expm1f.S b/sysdeps/libm-i387/s_expm1f.S
new file mode 100644
index 0000000000..85c3c849f1
--- /dev/null
+++ b/sysdeps/libm-i387/s_expm1f.S
@@ -0,0 +1,83 @@
+/* ix87 specific implementation of exp(x)-1.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+ Based on code by John C. Bowman <bowman@ipp-garching.mpg.de>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ /* Using: e^x - 1 = 2^(x * log2(e)) - 1 */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(l2e,@object)
+l2e: .tfloat 1.442695040888963407359924681002
+ ASM_SIZE_DIRECTIVE(l2e)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%edx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__expm1f)
+ flds 4(%esp) // x
+ fxam // Is NaN or +-Inf?
+ fstsw %ax
+#ifdef PIC
+ call 1f
+1: popl %edx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
+#endif
+ movb $0x45, %ch
+ andb %ah, %ch
+ cmpb $0x05, %ch
+ je 2f // Is +-Inf, jump.
+
+ fldt MO(l2e) // log2(e) : x
+ fmulp // log2(e)*x
+ fld %st // log2(e)*x : log2(e)*x
+ frndint // int(log2(e)*x) : log2(e)*x
+ fsub %st, %st(1) // int(log2(e)*x) : fract(log2(e)*x)
+ fxch // fract(log2(e)*x) : int(log2(e)*x)
+ f2xm1 // 2^fract(log2(e)*x)-1 : int(log2(e)*x)
+ fscale // 2^(log2(e)*x)-2^int(log2(e)*x) : int(log2(e)*x)
+ fxch // int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fldl MO(one) // 1 : int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fscale // 2^int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ faddp // 2^(log2(e)*x)
+ fsubl MO(one)
+ ret
+
+2: testl $0x200, %eax // Test sign.
+ jz 3f // If positive, jump.
+ fldl MO(zero) // Set result to 0.
+3: ret
+END(__expm1f)
+weak_alias (__expm1f, expm1f)
diff --git a/sysdeps/libm-i387/s_expm1l.S b/sysdeps/libm-i387/s_expm1l.S
new file mode 100644
index 0000000000..45aa753094
--- /dev/null
+++ b/sysdeps/libm-i387/s_expm1l.S
@@ -0,0 +1,83 @@
+/* ix87 specific implementation of exp(x)-1.
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+ Based on code by John C. Bowman <bowman@ipp-garching.mpg.de>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ /* Using: e^x - 1 = 2^(x * log2(e)) - 1 */
+
+#include <machine/asm.h>
+
+#ifdef __ELF__
+ .section .rodata
+#else
+ .text
+#endif
+ .align ALIGNARG(4)
+ ASM_TYPE_DIRECTIVE(zero,@object)
+zero: .double 0.0
+ ASM_SIZE_DIRECTIVE(zero)
+ ASM_TYPE_DIRECTIVE(one,@object)
+one: .double 1.0
+ ASM_SIZE_DIRECTIVE(one)
+ ASM_TYPE_DIRECTIVE(l2e,@object)
+l2e: .tfloat 1.442695040888963407359924681002
+ ASM_SIZE_DIRECTIVE(l2e)
+
+#ifdef PIC
+#define MO(op) op##@GOTOFF(%edx)
+#else
+#define MO(op) op
+#endif
+
+ .text
+ENTRY(__expm1l)
+ fldt 4(%esp) // x
+ fxam // Is NaN or +-Inf?
+ fstsw %ax
+#ifdef PIC
+ call 1f
+1: popl %edx
+ addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
+#endif
+ movb $0x45, %ch
+ andb %ah, %ch
+ cmpb $0x05, %ch
+ je 2f // Is +-Inf, jump.
+
+ fldt MO(l2e) // log2(e) : x
+ fmulp // log2(e)*x
+ fld %st // log2(e)*x : log2(e)*x
+ frndint // int(log2(e)*x) : log2(e)*x
+ fsub %st, %st(1) // int(log2(e)*x) : fract(log2(e)*x)
+ fxch // fract(log2(e)*x) : int(log2(e)*x)
+ f2xm1 // 2^fract(log2(e)*x)-1 : int(log2(e)*x)
+ fscale // 2^(log2(e)*x)-2^int(log2(e)*x) : int(log2(e)*x)
+ fxch // int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fldl MO(one) // 1 : int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ fscale // 2^int(log2(e)*x) : 2^(log2(e)*x)-2^int(log2(e)*x)
+ faddp // 2^(log2(e)*x)
+ fsubl MO(one)
+ ret
+
+2: testl $0x200, %eax // Test sign.
+ jz 3f // If positive, jump.
+ fldl MO(zero) // Set result to 0.
+3: ret
+END(__expm1l)
+weak_alias (__expm1l, expm1l)
diff --git a/sysdeps/libm-i387/s_floor.S b/sysdeps/libm-i387/s_floor.S
index 561f83d98a..20a8660424 100644
--- a/sysdeps/libm-i387/s_floor.S
+++ b/sysdeps/libm-i387/s_floor.S
@@ -8,23 +8,25 @@
RCSID("$NetBSD: s_floor.S,v 1.4 1995/05/09 00:01:59 jtc Exp $")
ENTRY(__floor)
- pushl %ebp
- movl %esp,%ebp
+ fldl 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
- movw -4(%ebp),%dx
- orw $0x0400,%dx /* round towards -oo */
- andw $0xf7ff,%dx
- movw %dx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ fstcw 4(%esp) /* store fpu control word */
- fldl 8(%ebp); /* round */
- frndint
+ /* We use here %edx although only the low 1 bits are defined.
+ But none of the operations should care and they are faster
+ than the 16 bit operations. */
+ movl $0x400,%edx /* round towards -oo */
+ orl 4(%esp),%edx
+ andl $0xf7ff,%edx
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- fldcw -4(%ebp) /* restore original control word */
+ frndint /* round */
- leave
+ fldcw 4(%esp) /* restore original control word */
+
+ addl $8,%esp
ret
END (__floor)
weak_alias (__floor, floor)
diff --git a/sysdeps/libm-i387/s_floorf.S b/sysdeps/libm-i387/s_floorf.S
index 059f4f3a15..eca93a2aa3 100644
--- a/sysdeps/libm-i387/s_floorf.S
+++ b/sysdeps/libm-i387/s_floorf.S
@@ -8,23 +8,25 @@
RCSID("$NetBSD: s_floorf.S,v 1.3 1995/05/09 00:04:32 jtc Exp $")
ENTRY(__floorf)
- pushl %ebp
- movl %esp,%ebp
+ flds 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
- movw -4(%ebp),%dx
- orw $0x0400,%dx /* round towards -oo */
- andw $0xf7ff,%dx
- movw %dx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ fstcw 4(%esp) /* store fpu control word */
- flds 8(%ebp); /* round */
- frndint
+ /* We use here %edx although only the low 1 bits are defined.
+ But none of the operations should care and they are faster
+ than the 16 bit operations. */
+ movl $0x400,%edx /* round towards -oo */
+ orl 4(%esp),%edx
+ andl $0xf7ff,%edx
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- fldcw -4(%ebp) /* restore original control word */
+ frndint /* round */
- leave
+ fldcw 4(%esp) /* restore original control word */
+
+ addl $8,%esp
ret
END (__floorf)
weak_alias (__floorf, floorf)
diff --git a/sysdeps/libm-i387/s_floorl.S b/sysdeps/libm-i387/s_floorl.S
index 7b7cff777a..c2bf091d73 100644
--- a/sysdeps/libm-i387/s_floorl.S
+++ b/sysdeps/libm-i387/s_floorl.S
@@ -9,23 +9,25 @@
RCSID("$NetBSD: $")
ENTRY(__floorl)
- pushl %ebp
- movl %esp,%ebp
+ fldt 4(%esp)
subl $8,%esp
- fstcw -4(%ebp) /* store fpu control word */
- movw -4(%ebp),%dx
- orw $0x0400,%dx /* round towards -oo */
- andw $0xf7ff,%dx
- movw %dx,-8(%ebp)
- fldcw -8(%ebp) /* load modified control word */
+ fstcw 4(%esp) /* store fpu control word */
- fldt 8(%ebp) /* round */
- frndint
+ /* We use here %edx although only the low 1 bits are defined.
+ But none of the operations should care and they are faster
+ than the 16 bit operations. */
+ movl $0x400,%edx /* round towards -oo */
+ orl 4(%esp),%edx
+ andl $0xf7ff,%edx
+ movl %edx,(%esp)
+ fldcw (%esp) /* load modified control word */
- fldcw -4(%ebp) /* restore original control word */
+ frndint /* round */
- leave
+ fldcw 4(%esp) /* restore original control word */
+
+ addl $8,%esp
ret
END (__floorl)
weak_alias (__floorl, floorl)
diff --git a/sysdeps/libm-i387/s_significandl.S b/sysdeps/libm-i387/s_significandl.S
index 1d5f4a3f6a..e3a69cba73 100644
--- a/sysdeps/libm-i387/s_significandl.S
+++ b/sysdeps/libm-i387/s_significandl.S
@@ -11,7 +11,7 @@ RCSID("$NetBSD: $")
ENTRY(__significandl)
fldt 4(%esp)
fxtract
- fincstp
+ fstp %st(0)
ret
END (__significandl)
weak_alias (__significandl, significandl)
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 15:30:58 +0000