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-rw-r--r--ChangeLog31
-rw-r--r--sysdeps/alpha/elf/crtbegin.S2
-rw-r--r--sysdeps/alpha/elf/crtend.S2
-rw-r--r--sysdeps/alpha/elf/start.S2
-rw-r--r--sysdeps/alpha/fpu/bits/mathinline.h28
-rw-r--r--sysdeps/alpha/fpu/e_sqrt.c247
-rw-r--r--sysdeps/alpha/fpu/s_ceil.c58
-rw-r--r--sysdeps/alpha/fpu/s_ceilf.c59
-rw-r--r--sysdeps/alpha/fpu/s_floor.c39
-rw-r--r--sysdeps/alpha/fpu/s_floorf.c35
-rw-r--r--sysdeps/unix/sysv/linux/alpha/brk.S5
-rw-r--r--sysdeps/unix/sysv/linux/alpha/getitimer.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/getrusage.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/gettimeofday.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/select.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/setitimer.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/settimeofday.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/utimes.S3
-rw-r--r--sysdeps/unix/sysv/linux/alpha/wait4.S3
21 files changed, 332 insertions, 206 deletions
diff --git a/ChangeLog b/ChangeLog
index 3523a85b6c..f671589ef7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,34 @@
+1998-08-23 Ricahrd Henderson <rth@cygnus.com>
+
+ * sysdeps/alpha/elf/crtbegin.S: Fix .prologue; no pv used.
+ * sysdeps/alpha/elf/crtend.S: Likewise.
+ * sysdeps/alpha/elf/start.S: Likewise.
+
+ * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Fix .prologue;
+ non-standard pv usage.
+
+ * sysdeps/unix/sysv/linux/alpha/brk.S: Use jmp macro for relaxation.
+ * sysdeps/unix/sysv/linux/alpha/getitimer.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/select.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/setitimer.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/settimeofday.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise.
+ * sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise.
+
+ * sysdeps/alpha/fpu/e_sqrt.c: Use the asm version when the input is
+ a finite non-denormal, deferring to the full IEEE version otherwise.
+
+ * sysdeps/alpha/fpu/bits/mathinline.h (__floorf, __floor):
+ Early out for -0. Optimize for !_IEEE_FP_INEXACT.
+ * sysdeps/alpha/fpu/s_floor.c: New.
+ * sysdeps/alpha/fpu/s_floorf.c: New.
+ * sysdeps/alpha/fpu/s_ceil.c: New.
+ * sysdeps/alpha/fpu/s_ceilf.c: New.
+
1998-08-22 Philip Blundell <philb@gnu.org>
* sysdeps/arm/bits/string.h: New file.
diff --git a/sysdeps/alpha/elf/crtbegin.S b/sysdeps/alpha/elf/crtbegin.S
index e6147c2ec3..25ddaafd6e 100644
--- a/sysdeps/alpha/elf/crtbegin.S
+++ b/sysdeps/alpha/elf/crtbegin.S
@@ -74,7 +74,7 @@ __do_global_dtors_aux:
stq $9,8($sp)
stq $26,0($sp)
.mask (1<<26)|(1<<9), -16
- .prologue 1
+ .prologue 0
lda $9,__DTOR_LIST__
br 1f
diff --git a/sysdeps/alpha/elf/crtend.S b/sysdeps/alpha/elf/crtend.S
index 7f51d81da1..198aba8a5b 100644
--- a/sysdeps/alpha/elf/crtend.S
+++ b/sysdeps/alpha/elf/crtend.S
@@ -74,7 +74,7 @@ __do_global_ctors_aux:
stq $9,8($sp)
stq $26,0($sp)
.mask (1<<26)|(1<<9), -16
- .prologue 1
+ .prologue 0
lda $9,__CTOR_END__
br 1f
diff --git a/sysdeps/alpha/elf/start.S b/sysdeps/alpha/elf/start.S
index ecb8174152..b5e5df102a 100644
--- a/sysdeps/alpha/elf/start.S
+++ b/sysdeps/alpha/elf/start.S
@@ -30,7 +30,7 @@ _start:
br gp, 1f
1: ldgp gp, 0(gp)
subq sp, 16, sp
- .prologue 1
+ .prologue 0
/* Load address of the user's main function. */
lda a0, main
diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h
index 492d9f18a7..681ea70cf9 100644
--- a/sysdeps/alpha/fpu/bits/mathinline.h
+++ b/sysdeps/alpha/fpu/bits/mathinline.h
@@ -75,7 +75,7 @@ __inline_copysign(copysign, double)
#undef __MATH_INLINE_copysign
-#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 8)
+#if defined __GNUC__ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
__MATH_INLINE float __fabsf (float __x) { return __builtin_fabsf (__x); }
__MATH_INLINE float fabsf (float __x) { return __builtin_fabsf (__x); }
__MATH_INLINE double __fabs (double __x) { return __builtin_fabs (__x); }
@@ -106,7 +106,8 @@ __inline_fabs(fabs, double)
__MATH_INLINE float
__floorf (float __x)
{
- if (fabsf (__x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
+ /* Check not zero since floor(-0) == -0. */
+ if (__x != 0 && fabsf (__x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
{
/* Note that Alpha S_Floating is stored in registers in a
restricted T_Floating format, so we don't even need to
@@ -116,10 +117,13 @@ __floorf (float __x)
float __tmp1, __tmp2;
__asm ("cvtst/s %3,%2\n\t"
+#ifdef _IEEE_FP_INEXACT
"cvttq/svim %2,%1\n\t"
- "cvtqt/suim %1,%0\n\t"
- "trapb"
- : "=&f"(__x), "=&f"(__tmp1), "=&f"(__tmp2)
+#else
+ "cvttq/svm %2,%1\n\t"
+#endif
+ "cvtqt/m %1,%0\n\t"
+ : "=f"(__x), "=&f"(__tmp1), "=&f"(__tmp2)
: "f"(__x));
}
return __x;
@@ -128,13 +132,17 @@ __floorf (float __x)
__MATH_INLINE double
__floor (double __x)
{
- if (fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
+ if (__x != 0 && fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
{
double __tmp1;
- __asm ("cvttq/svim %2,%1\n\t"
- "cvtqt/suim %1,%0\n\t"
- "trapb"
- : "=&f"(__x), "=&f"(__tmp1)
+ __asm (
+#ifdef _IEEE_FP_INEXACT
+ "cvttq/svim %2,%1\n\t"
+#else
+ "cvttq/svm %2,%1\n\t"
+#endif
+ "cvtqt/m %1,%0\n\t"
+ : "=f"(__x), "=&f"(__tmp1)
: "f"(__x));
}
return __x;
diff --git a/sysdeps/alpha/fpu/e_sqrt.c b/sysdeps/alpha/fpu/e_sqrt.c
index 58de39f392..7b4e596664 100644
--- a/sysdeps/alpha/fpu/e_sqrt.c
+++ b/sysdeps/alpha/fpu/e_sqrt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Contributed by David Mosberger (davidm@cs.arizona.edu).
This file is part of the GNU C Library.
@@ -18,16 +18,15 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-/*
- * We have three versions, depending on how exact we need the results.
- */
-
-#if defined(_IEEE_FP) && defined(_IEEE_FP_INEXACT)
-/* Most demanding: go to the original source. */
-#include <libm-ieee754/e_sqrt.c>
+#if !defined(_IEEE_FP_INEXACT)
-#else
+/*
+ * This version is much faster than generic sqrt implementation, but
+ * it doesn't handle the inexact flag. It doesn't handle exceptional
+ * values either, but will defer to the full ieee754_sqrt routine which
+ * can.
+ */
/* Careful with rearranging this without consulting the assembly below. */
const static struct sqrt_data_struct {
@@ -54,112 +53,6 @@ const static struct sqrt_data_struct {
0x1527f,0x1334a,0x11051,0xe951, 0xbe01, 0x8e0d, 0x5924, 0x1edd }
};
-#ifdef _IEEE_FP
-/*
- * This version is much faster than the standard one included above,
- * but it doesn't maintain the inexact flag.
- */
-
-#define lobits(x) (((unsigned int *)&x)[0])
-#define hibits(x) (((unsigned int *)&x)[1])
-
-static inline double initial_guess(double x, unsigned int k,
- const struct sqrt_data_struct * const ptr)
-{
- double ret = 0.0;
-
- k = 0x5fe80000 - (k >> 1);
- k = k - ptr->T2[63&(k>>14)];
- hibits(ret) = k;
- return ret;
-}
-
-/* up = nextafter(1,+Inf), dn = nextafter(1,-Inf) */
-
-#define __half (ptr->half)
-#define __one_and_a_half (ptr->one_and_a_half)
-#define __two_to_minus_30 (ptr->two_to_minus_30)
-#define __one (ptr->one)
-#define __up (ptr->up)
-#define __dn (ptr->dn)
-#define __Nan (ptr->nan)
-
-#define Double(x) (*(double *)&x)
-
-/* Multiply with chopping rounding.. */
-#define choppedmul(a,b,c) \
- __asm__("multc %1,%2,%0":"=&f" (c):"f" (a), "f" (b))
-
-double
-__ieee754_sqrt(double x)
-{
- const struct sqrt_data_struct * const ptr = &sqrt_data;
- unsigned long k, bits;
- double y, z, zp, zn;
- double dn, up, low, high;
- double half, one_and_a_half, one, two_to_minus_30;
-
- *(double *)&bits = x;
- k = bits;
-
- /* Negative or NaN or Inf */
- if ((k >> 52) >= 0x7ff)
- goto special;
- y = initial_guess(x, k >> 32, ptr);
- half = Double(__half);
- one_and_a_half = Double(__one_and_a_half);
- y = y*(one_and_a_half - half*x*y*y);
- dn = Double(__dn);
- two_to_minus_30 = Double(__two_to_minus_30);
- y = y*((one_and_a_half - two_to_minus_30) - half*x*y*y);
- up = Double(__up);
- z = x*y;
- one = Double(__one);
- z = z + half*z*(one-z*y);
-
- choppedmul(z,dn,zp);
- choppedmul(z,up,zn);
-
- choppedmul(z,zp,low);
- low = low - x;
- choppedmul(z,zn,high);
- high = high - x;
-
- /* I can't get gcc to use fcmov's.. */
- __asm__("fcmovge %2,%3,%0"
- :"=f" (z)
- :"0" (z), "f" (low), "f" (zp));
- __asm__("fcmovlt %2,%3,%0"
- :"=f" (z)
- :"0" (z), "f" (high), "f" (zn));
- return z; /* Argh! gcc jumps to end here */
-
-special:
- /* throw away sign bit */
- k <<= 1;
- /* -0 */
- if (!k)
- return x;
- /* special? */
- if ((k >> 53) == 0x7ff) {
- /* NaN? */
- if (k << 11)
- return x;
- /* sqrt(+Inf) = +Inf */
- if (x > 0)
- return x;
- }
-
- x = Double(__Nan);
- return x;
-}
-
-#else
-/*
- * This version is much faster than generic sqrt implementation, but
- * it doesn't handle exceptional values or the inexact flag.
- */
-
asm ("\
/* Define offsets into the structure defined in C above. */
$DN = 0*8
@@ -174,7 +67,7 @@ asm ("\
$Y = 8
.text
- .align 3
+ .align 5
.globl __ieee754_sqrt
.ent __ieee754_sqrt
__ieee754_sqrt:
@@ -187,72 +80,86 @@ __ieee754_sqrt:
#endif
" .prologue 1
- stt $f16, $K($sp)
- lda $4, sqrt_data # load base address into t3
- fblt $f16, $negative
-
- /* Compute initial guess. */
+ .align 4
+ stt $f16, $K($sp) # e0 :
+ mult $f31, $f31, $f31 # .. fm :
+ lda $4, sqrt_data # e0 :
+ fblt $f16, $fixup # .. fa :
- .align 3
-
- ldah $2, 0x5fe8 # e0 :
- ldq $3, $K($sp) # .. e1 :
- ldt $f12, $HALF($4) # e0 :
+ ldah $2, 0x5fe8 # e0 :
+ ldq $3, $K($sp) # .. e1 :
+ ldt $f12, $HALF($4) # e0 :
ldt $f18, $ALMOST_THREE_HALF($4) # .. e1 :
- srl $3, 33, $1 # e0 :
- mult $f16, $f12, $f11 # .. fm : $f11 = x * 0.5
- subl $2, $1, $2 # e0 :
- addt $f12, $f12, $f17 # .. fa : $f17 = 1.0
- srl $2, 12, $1 # e0 :
- and $1, 0xfc, $1 # .. e1 :
- addq $1, $4, $1 # e0 :
- ldl $1, $T2($1) # .. e1 :
- addt $f12, $f17, $f15 # fa : $f15 = 1.5
- subl $2, $1, $2 # .. e1 :
- sll $2, 32, $2 # e0 :
- ldt $f14, $DN($4) # .. e1 :
- stq $2, $Y($sp) # e0 :
- nop # .. e1 : avoid pipe flash
- nop # e0 :
- ldt $f13, $Y($sp) # .. e1 :
- mult/su $f11, $f13, $f10 # fm : $f10 = (x * 0.5) * y
- mult $f10, $f13, $f10 # fm : $f10 = ((x * 0.5) * y) * y
- subt $f15, $f10, $f1 # fa : $f1 = (1.5 - 0.5*x*y*y)
- mult $f13, $f1, $f13 # fm : yp = y*(1.5 - 0.5*x*y*y)
- mult/su $f11, $f13, $f1 # fm : $f11 = x * 0.5 * yp
- mult $f1, $f13, $f11 # fm : $f11 = (x * 0.5 * yp) * yp
- subt $f18, $f11, $f1 # fa : $f1= (1.5-2^-30) - 0.5*x*yp*yp
- mult $f13, $f1, $f13 # fm : ypp = $f13 = yp*$f1
- subt $f15, $f12, $f1 # fa : $f1 = (1.5 - 0.5)
- ldt $f15, $UP($4) # .. e1 :
- mult/su $f16, $f13, $f10 # fm : z = $f10 = x * ypp
- mult $f10, $f13, $f11 # fm : $f11 = z*ypp
+ sll $3, 52, $5 # e0 :
+ lda $6, 0x7fd # .. e1 :
+ fnop # .. fa :
+ fnop # .. fm :
+
+ subq $5, 1, $5 # e1 :
+ srl $3, 33, $1 # .. e0 :
+ cmpule $5, $6, $5 # e0 :
+ beq $5, $fixup # .. e1 :
+
+ mult $f16, $f12, $f11 # fm : $f11 = x * 0.5
+ subl $2, $1, $2 # .. e0 :
+ addt $f12, $f12, $f17 # .. fa : $f17 = 1.0
+ srl $2, 12, $1 # e0 :
+
+ and $1, 0xfc, $1 # e0 :
+ addq $1, $4, $1 # e1 :
+ ldl $1, $T2($1) # e0 :
+ addt $f12, $f17, $f15 # .. fa : $f15 = 1.5
+
+ subl $2, $1, $2 # e0 :
+ ldt $f14, $DN($4) # .. e1 :
+ sll $2, 32, $2 # e0 :
+ stq $2, $Y($sp) # e0 :
+
+ ldt $f13, $Y($sp) # e0 :
+ mult/su $f11, $f13, $f10 # fm 2: $f10 = (x * 0.5) * y
+ mult $f10, $f13, $f10 # fm 4: $f10 = ((x * 0.5) * y) * y
+ subt $f15, $f10, $f1 # fa 4: $f1 = (1.5 - 0.5*x*y*y)
+
+ mult $f13, $f1, $f13 # fm 4: yp = y*(1.5 - 0.5*x*y*y)
+ mult/su $f11, $f13, $f1 # fm 4: $f11 = x * 0.5 * yp
+ mult $f1, $f13, $f11 # fm 4: $f11 = (x * 0.5 * yp) * yp
+ subt $f18, $f11, $f1 # fa 4: $f1= (1.5-2^-30) - 0.5*x*yp*yp
+
+ mult $f13, $f1, $f13 # fm 4: ypp = $f13 = yp*$f1
+ subt $f15, $f12, $f1 # .. fa : $f1 = (1.5 - 0.5)
+ ldt $f15, $UP($4) # .. e0 :
+ mult/su $f16, $f13, $f10 # fm 4: z = $f10 = x * ypp
+
+ mult $f10, $f13, $f11 # fm 4: $f11 = z*ypp
mult $f10, $f12, $f12 # fm : $f12 = z*0.5
- subt $f1, $f11, $f1 # .. fa : $f1 = 1 - z*ypp
- mult $f12, $f1, $f12 # fm : $f12 = z*0.5*(1 - z*ypp)
- addt $f10, $f12, $f0 # fa : zp=res=$f0= z + z*0.5*(1 - z*ypp)
+ subt $f1, $f11, $f1 # fa 4: $f1 = 1 - z*ypp
+ mult $f12, $f1, $f12 # fm 4: $f12 = z*0.5*(1 - z*ypp)
- mult/c $f0, $f14, $f12 # fm : zmi = zp * DN
+ addt $f10, $f12, $f0 # fa 4: zp=res= z + z*0.5*(1 - z*ypp)
+ mult/c $f0, $f14, $f12 # fm 4: zmi = zp * DN
mult/c $f0, $f15, $f11 # fm : zpl = zp * UP
mult/c $f0, $f12, $f1 # fm : $f1 = zp * zmi
- mult/c $f0, $f11, $f15 # fm : $f15 = zp * zpl
- subt/su $f1, $f16, $f13 # fa : y1 = zp*zmi - x
- subt/su $f15, $f16, $f14 # fa : y2 = zp*zpl - x
-
- fcmovge $f13, $f12, $f0 # res = (y1 >= 0) ? zmi : res
- fcmovlt $f14, $f11, $f0 # res = (y2 < 0) ? zpl : res
+ mult/c $f0, $f11, $f15 # fm : $f15 = zp * zpl
+ subt/su $f1, $f16, $f13 # .. fa : y1 = zp*zmi - x
+ subt/su $f15, $f16, $f14 # fa 4: y2 = zp*zpl - x
+ fcmovge $f13, $f12, $f0 # fa 3: res = (y1 >= 0) ? zmi : res
- addq $sp, 16, $sp # e0 :
+ fcmovlt $f14, $f11, $f0 # fa 4: res = (y2 < 0) ? zpl : res
+ addq $sp, 16, $sp # .. e0 :
ret # .. e1 :
-$negative:
- ldt $f0, $NAN($4)
+ .align 4
+$fixup:
addq $sp, 16, $sp
- ret
+ br "ASM_ALPHA_NG_SYMBOL_PREFIX"__full_ieee754_sqrt..ng
.end __ieee754_sqrt");
-#endif /* _IEEE_FP */
-#endif /* _IEEE_FP && _IEEE_FP_INEXACT */
+static double __full_ieee754_sqrt(double) __attribute__((unused));
+#define __ieee754_sqrt __full_ieee754_sqrt
+
+#endif /* _IEEE_FP_INEXACT */
+
+#include <sysdeps/libm-ieee754/e_sqrt.c>
diff --git a/sysdeps/alpha/fpu/s_ceil.c b/sysdeps/alpha/fpu/s_ceil.c
new file mode 100644
index 0000000000..23491db5ac
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_ceil.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson.
+
+ 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 <math.h>
+
+double
+__ceil (double x)
+{
+ if (x != 0 && fabs (x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */
+ {
+ double tmp1;
+ unsigned long fpcr0, fpcr1;
+ unsigned long pinf = 3UL << 58;
+
+ /* Set round to +inf. */
+ __asm __volatile("excb; mf_fpcr %0" : "=f"(fpcr0));
+ __asm __volatile("mt_fpcr %0; excb" : : "f"(fpcr0 | pinf));
+
+ /* Calculate! */
+#ifdef _IEEE_FP_INEXACT
+ __asm("cvttq/svid %2,%1\n\tcvtqt/suid %1,%0"
+ : "=f"(x), "=&f"(tmp1)
+ : "f"(x));
+#else
+ __asm("cvttq/svd %2,%1\n\tcvtqt/d %1,%0"
+ : "=f"(x), "=&f"(tmp1)
+ : "f"(x));
+#endif
+
+ /* Reset rounding mode, while retaining new exception bits. */
+ __asm __volatile("excb; mf_fpcr %0" : "=f"(fpcr1));
+ fpcr0 = (fpcr0 & pinf) | (fpcr1 & ~pinf);
+ __asm __volatile("mt_fpcr %0; excb" : : "f"(fpcr0));
+ }
+ return x;
+}
+
+weak_alias (__ceil, ceil)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__ceil, __ceill)
+weak_alias (__ceil, ceill)
+#endif
diff --git a/sysdeps/alpha/fpu/s_ceilf.c b/sysdeps/alpha/fpu/s_ceilf.c
new file mode 100644
index 0000000000..3defaeb01e
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_ceilf.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson.
+
+ 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 <math.h>
+
+float
+__ceilf (float x)
+{
+ if (x != 0 && fabsf (x) < 16777216.0f) /* 1 << FLT_MANT_DIG */
+ {
+ float tmp1, tmp2;
+ unsigned long fpcr0, fpcr1;
+ unsigned long pinf = 3UL << 58;
+
+ /* Set round to +inf. */
+ __asm __volatile("excb; mf_fpcr %0" : "=f"(fpcr0));
+ __asm __volatile("mt_fpcr %0; excb" : : "f"(fpcr0 | pinf));
+
+ /* Calculate!
+ Note that Alpha S_Floating is stored in registers in a
+ restricted T_Floating format, so we don't even need to
+ convert back to S_Floating in the end. The initial
+ conversion to T_Floating is needed to handle denormals. */
+
+#ifdef _IEEE_FP_INEXACT
+ __asm("cvtst/s %3,%2\n\tcvttq/svid %2,%1\n\tcvtqt/suid %1,%0"
+ : "=f"(x), "=&f"(tmp1), "=&f"(tmp2)
+ : "f"(x));
+#else
+ __asm("cvtst/s %3,%2\n\tcvttq/svd %2,%1\n\tcvtqt/d %1,%0"
+ : "=f"(x), "=&f"(tmp1), "=&f"(tmp2)
+ : "f"(x));
+#endif
+
+ /* Reset rounding mode, while retaining new exception bits. */
+ __asm __volatile("excb; mf_fpcr %0" : "=f"(fpcr1));
+ fpcr0 = (fpcr0 & pinf) | (fpcr1 & ~pinf);
+ __asm __volatile("mt_fpcr %0; excb" : : "f"(fpcr0));
+ }
+ return x;
+}
+
+weak_alias (__ceilf, ceilf)
diff --git a/sysdeps/alpha/fpu/s_floor.c b/sysdeps/alpha/fpu/s_floor.c
new file mode 100644
index 0000000000..7b647923e2
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_floor.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson.
+
+ 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. */
+
+#ifndef __USE_EXTERN_INLINES
+#define __USE_EXTERN_INLINES
+#endif
+#define __floor __i_floor
+
+#include <math.h>
+
+#undef __floor
+
+double
+__floor (double x)
+{
+ return __i_floor(x);
+}
+
+weak_alias (__floor, floor)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__floor, __floorl)
+weak_alias (__floor, floorl)
+#endif
diff --git a/sysdeps/alpha/fpu/s_floorf.c b/sysdeps/alpha/fpu/s_floorf.c
new file mode 100644
index 0000000000..d25643d19e
--- /dev/null
+++ b/sysdeps/alpha/fpu/s_floorf.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson.
+
+ 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. */
+
+#ifndef __USE_EXTERN_INLINES
+#define __USE_EXTERN_INLINES
+#endif
+#define __floorf __i_floorf
+
+#include <math.h>
+
+#undef __floorf
+
+float
+__floorf (float x)
+{
+ return __i_floorf(x);
+}
+
+weak_alias (__floorf, floorf)
diff --git a/sysdeps/unix/sysv/linux/alpha/brk.S b/sysdeps/unix/sysv/linux/alpha/brk.S
index 6f994937d3..9ecd0d47a1 100644
--- a/sysdeps/unix/sysv/linux/alpha/brk.S
+++ b/sysdeps/unix/sysv/linux/alpha/brk.S
@@ -73,9 +73,8 @@ $ok: stq a0, __curbrk
/* What a horrible way to die. */
$err0: ldi v0, ENOMEM
-$err1: lda pv, __syscall_error
- addq sp, 8, sp
- jmp zero, (pv), __syscall_error
+$err1: addq sp, 8, sp
+ jmp zero, __syscall_error
END(__brk)
diff --git a/sysdeps/unix/sysv/linux/alpha/getitimer.S b/sysdeps/unix/sysv/linux/alpha/getitimer.S
index 9ba849fcac..08a3e1c94b 100644
--- a/sysdeps/unix/sysv/linux/alpha/getitimer.S
+++ b/sysdeps/unix/sysv/linux/alpha/getitimer.S
@@ -96,9 +96,8 @@ $do32: ldi v0, SYS_ify(osf_getitimer)
.align 3
$error:
- lda pv, __syscall_error
addq sp, 16, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(GETITIMER)
diff --git a/sysdeps/unix/sysv/linux/alpha/getrusage.S b/sysdeps/unix/sysv/linux/alpha/getrusage.S
index 83cfc9e4e3..0c7fb1abbd 100644
--- a/sysdeps/unix/sysv/linux/alpha/getrusage.S
+++ b/sysdeps/unix/sysv/linux/alpha/getrusage.S
@@ -124,9 +124,8 @@ $do32: ldi v0, SYS_ify(osf_getrusage)
.align 3
$error:
- lda pv, __syscall_error
addq sp, 16, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(GETRUSAGE)
diff --git a/sysdeps/unix/sysv/linux/alpha/gettimeofday.S b/sysdeps/unix/sysv/linux/alpha/gettimeofday.S
index 6f7082f1b0..e56893b121 100644
--- a/sysdeps/unix/sysv/linux/alpha/gettimeofday.S
+++ b/sysdeps/unix/sysv/linux/alpha/gettimeofday.S
@@ -93,9 +93,8 @@ $do32: ldi v0, SYS_ify(osf_gettimeofday)
.align 3
$error:
- lda pv, __syscall_error
addq sp, 16, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(GETTIMEOFDAY)
diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
index e118ff19f5..ae559d9851 100644
--- a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
+++ b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
@@ -52,9 +52,8 @@ $error:
br gp, 1f
1: ldgp gp, 0(gp)
#endif
- lda pv, __syscall_error
lda sp, 16(sp)
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(__ieee_get_fp_control)
diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
index b38d67efac..779dc0b203 100644
--- a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
+++ b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
@@ -51,9 +51,8 @@ $error:
br gp, 1f
1: ldgp gp, 0(gp)
#endif
- lda pv, __syscall_error
lda sp, 16(sp)
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(__ieee_set_fp_control)
diff --git a/sysdeps/unix/sysv/linux/alpha/select.S b/sysdeps/unix/sysv/linux/alpha/select.S
index c854f7fd30..704e71d753 100644
--- a/sysdeps/unix/sysv/linux/alpha/select.S
+++ b/sysdeps/unix/sysv/linux/alpha/select.S
@@ -107,9 +107,8 @@ $do32:
.align 3
$error:
- lda pv, __syscall_error
addq sp, 64, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(SELECT)
diff --git a/sysdeps/unix/sysv/linux/alpha/setitimer.S b/sysdeps/unix/sysv/linux/alpha/setitimer.S
index e57acc2020..0fc5fe7f8a 100644
--- a/sysdeps/unix/sysv/linux/alpha/setitimer.S
+++ b/sysdeps/unix/sysv/linux/alpha/setitimer.S
@@ -112,9 +112,8 @@ $do32:
.align 3
$error:
- lda pv, __syscall_error
addq sp, 48, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(SETITIMER)
diff --git a/sysdeps/unix/sysv/linux/alpha/settimeofday.S b/sysdeps/unix/sysv/linux/alpha/settimeofday.S
index ae129ecc1c..35c56020be 100644
--- a/sysdeps/unix/sysv/linux/alpha/settimeofday.S
+++ b/sysdeps/unix/sysv/linux/alpha/settimeofday.S
@@ -93,9 +93,8 @@ $do32:
.align 3
$error:
- lda pv, __syscall_error
addq sp, 16, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(SETTIMEOFDAY)
diff --git a/sysdeps/unix/sysv/linux/alpha/utimes.S b/sysdeps/unix/sysv/linux/alpha/utimes.S
index a1d2b1513c..959ec859c5 100644
--- a/sysdeps/unix/sysv/linux/alpha/utimes.S
+++ b/sysdeps/unix/sysv/linux/alpha/utimes.S
@@ -98,9 +98,8 @@ $do32:
.align 3
$error:
- lda pv, __syscall_error
addq sp, 16, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(UTIMES)
diff --git a/sysdeps/unix/sysv/linux/alpha/wait4.S b/sysdeps/unix/sysv/linux/alpha/wait4.S
index 334836f5aa..08b3a09b53 100644
--- a/sysdeps/unix/sysv/linux/alpha/wait4.S
+++ b/sysdeps/unix/sysv/linux/alpha/wait4.S
@@ -131,9 +131,8 @@ $do32: ldi v0, SYS_ify(osf_wait4)
.align 3
$error:
- lda pv, __syscall_error
addq sp, 32, sp
- jmp zero, (pv), __syscall_error
+ jmp zero, __syscall_error
END(WAIT4)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 10:57:39 +0000