aboutsummaryrefslogtreecommitdiff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/generic/math_private.h3
-rw-r--r--sysdeps/i386/fpu/e_ilogb.S (renamed from sysdeps/i386/fpu/s_ilogb.S)11
-rw-r--r--sysdeps/i386/fpu/e_ilogbf.S (renamed from sysdeps/i386/fpu/s_ilogbf.S)11
-rw-r--r--sysdeps/i386/fpu/e_ilogbl.S (renamed from sysdeps/i386/fpu/s_ilogbl.S)11
-rw-r--r--sysdeps/ieee754/dbl-64/e_ilogb.c (renamed from sysdeps/ieee754/dbl-64/s_ilogb.c)8
-rw-r--r--sysdeps/ieee754/flt-32/e_ilogbf.c (renamed from sysdeps/ieee754/flt-32/s_ilogbf.c)4
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c (renamed from sysdeps/ieee754/ldbl-128ibm/s_ilogbl.c)3
-rw-r--r--sysdeps/ieee754/ldbl-opt/w_ilogb.c (renamed from sysdeps/ieee754/ldbl-opt/s_ilogb.c)2
-rw-r--r--sysdeps/ieee754/ldbl-opt/w_ilogbl.c5
-rw-r--r--sysdeps/x86_64/fpu/e_ilogbl.S (renamed from sysdeps/x86_64/fpu/s_ilogbl.S)11
10 files changed, 46 insertions, 23 deletions
diff --git a/sysdeps/generic/math_private.h b/sysdeps/generic/math_private.h
index e2172246f2..5267ec327b 100644
--- a/sysdeps/generic/math_private.h
+++ b/sysdeps/generic/math_private.h
@@ -213,6 +213,7 @@ extern double __ieee754_yn (int,double);
extern double __ieee754_remainder (double,double);
extern int32_t __ieee754_rem_pio2 (double,double*);
extern double __ieee754_scalb (double,double);
+extern int __ieee754_ilogb (double);
/* fdlibm kernel function */
extern double __kernel_standard (double,double,int);
@@ -260,6 +261,7 @@ extern float __ieee754_ynf (int,float);
extern float __ieee754_remainderf (float,float);
extern int32_t __ieee754_rem_pio2f (float,float*);
extern float __ieee754_scalbf (float,float);
+extern int __ieee754_ilogbf (float);
/* float versions of fdlibm kernel functions */
@@ -305,6 +307,7 @@ extern long double __ieee754_ynl (int,long double);
extern long double __ieee754_remainderl (long double,long double);
extern int __ieee754_rem_pio2l (long double,long double*);
extern long double __ieee754_scalbl (long double,long double);
+extern int __ieee754_ilogbl (long double);
/* long double versions of fdlibm kernel functions */
extern long double __kernel_sinl (long double,long double,int);
diff --git a/sysdeps/i386/fpu/s_ilogb.S b/sysdeps/i386/fpu/e_ilogb.S
index 0cf1ad7419..4fb635041f 100644
--- a/sysdeps/i386/fpu/s_ilogb.S
+++ b/sysdeps/i386/fpu/e_ilogb.S
@@ -7,7 +7,7 @@
RCSID("$NetBSD: s_ilogb.S,v 1.5 1995/10/12 15:53:09 jtc Exp $")
-ENTRY(__ilogb)
+ENTRY(__ieee754_ilogb)
fldl 4(%esp)
/* I added the following ugly construct because ilogb(+-Inf) is
required to return INT_MAX in ISO C99.
@@ -18,6 +18,8 @@ ENTRY(__ilogb)
andb %ah, %dh
cmpb $0x05, %dh
je 1f /* Is +-Inf, jump. */
+ cmpb $0x40, %dh
+ je 2f /* Is +-0, jump. */
fxtract
pushl %eax
@@ -34,5 +36,8 @@ ENTRY(__ilogb)
1: fstp %st
movl $0x7fffffff, %eax
ret
-END (__ilogb)
-weak_alias (__ilogb, ilogb)
+2: fstp %st
+ movl $0x80000000, %eax /* FP_ILOGB0 */
+ ret
+END (__ieee754_ilogb)
+weak_alias (__ieee754_ilogb, __ilogb_finite)
diff --git a/sysdeps/i386/fpu/s_ilogbf.S b/sysdeps/i386/fpu/e_ilogbf.S
index 99e53edd75..fbb50be07f 100644
--- a/sysdeps/i386/fpu/s_ilogbf.S
+++ b/sysdeps/i386/fpu/e_ilogbf.S
@@ -7,7 +7,7 @@
RCSID("$NetBSD: s_ilogbf.S,v 1.4 1995/10/22 20:32:43 pk Exp $")
-ENTRY(__ilogbf)
+ENTRY(__ieee754_ilogbf)
flds 4(%esp)
/* I added the following ugly construct because ilogb(+-Inf) is
required to return INT_MAX in ISO C99.
@@ -18,6 +18,8 @@ ENTRY(__ilogbf)
andb %ah, %dh
cmpb $0x05, %dh
je 1f /* Is +-Inf, jump. */
+ cmpb $0x40, %dh
+ je 2f /* Is +-0, jump. */
fxtract
pushl %eax
@@ -34,5 +36,8 @@ ENTRY(__ilogbf)
1: fstp %st
movl $0x7fffffff, %eax
ret
-END (__ilogbf)
-weak_alias (__ilogbf, ilogbf)
+2: fstp %st
+ movl $0x80000000, %eax /* FP_ILOGB0 */
+ ret
+END (__ieee754_ilogbf)
+weak_alias (__ieee754_ilogbf, __ilogbf_finite)
diff --git a/sysdeps/i386/fpu/s_ilogbl.S b/sysdeps/i386/fpu/e_ilogbl.S
index 1f559b311e..6e2be9a300 100644
--- a/sysdeps/i386/fpu/s_ilogbl.S
+++ b/sysdeps/i386/fpu/e_ilogbl.S
@@ -8,7 +8,7 @@
RCSID("$NetBSD: $")
-ENTRY(__ilogbl)
+ENTRY(__ieee754_ilogbl)
fldt 4(%esp)
/* I added the following ugly construct because ilogb(+-Inf) is
required to return INT_MAX in ISO C99.
@@ -19,6 +19,8 @@ ENTRY(__ilogbl)
andb %ah, %dh
cmpb $0x05, %dh
je 1f /* Is +-Inf, jump. */
+ cmpb $0x40, %dh
+ je 2f /* Is +-0, jump. */
fxtract
pushl %eax
@@ -35,5 +37,8 @@ ENTRY(__ilogbl)
1: fstp %st
movl $0x7fffffff, %eax
ret
-END (__ilogbl)
-weak_alias (__ilogbl, ilogbl)
+2: fstp %st
+ movl $0x80000000, %eax /* FP_ILOGB0 */
+ ret
+END (__ieee754_ilogbl)
+weak_alias (__ieee754_ilogbl, __ilogbl_finite)
diff --git a/sysdeps/ieee754/dbl-64/s_ilogb.c b/sysdeps/ieee754/dbl-64/e_ilogb.c
index 05c66d70fe..7772880a1f 100644
--- a/sysdeps/ieee754/dbl-64/s_ilogb.c
+++ b/sysdeps/ieee754/dbl-64/e_ilogb.c
@@ -25,7 +25,7 @@ static char rcsid[] = "$NetBSD: s_ilogb.c,v 1.9 1995/05/10 20:47:28 jtc Exp $";
#include <math.h>
#include <math_private.h>
-int __ilogb(double x)
+int __ieee754_ilogb(double x)
{
int32_t hx,lx,ix;
@@ -52,8 +52,4 @@ int __ilogb(double x)
}
return FP_ILOGBNAN;
}
-weak_alias (__ilogb, ilogb)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__ilogb, __ilogbl)
-weak_alias (__ilogb, ilogbl)
-#endif
+strong_alias (__ieee754_ilogb, __ilogb_finite)
diff --git a/sysdeps/ieee754/flt-32/s_ilogbf.c b/sysdeps/ieee754/flt-32/e_ilogbf.c
index 21f9cd9704..c7441a8561 100644
--- a/sysdeps/ieee754/flt-32/s_ilogbf.c
+++ b/sysdeps/ieee754/flt-32/e_ilogbf.c
@@ -21,7 +21,7 @@ static char rcsid[] = "$NetBSD: s_ilogbf.c,v 1.4 1995/05/10 20:47:31 jtc Exp $";
#include <math.h>
#include <math_private.h>
-int __ilogbf(float x)
+int __ieee754_ilogbf(float x)
{
int32_t hx,ix;
@@ -42,4 +42,4 @@ int __ilogbf(float x)
}
return FP_ILOGBNAN;
}
-weak_alias (__ilogbf, ilogbf)
+strong_alias (__ieee754_ilogbf, __ilogbf_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_ilogbl.c b/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c
index a6f0e1e678..55f87ed422 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_ilogbl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c
@@ -29,7 +29,7 @@ static char rcsid[] = "$NetBSD: $";
#include <math_private.h>
#include <math_ldbl_opt.h>
-int __ilogbl(long double x)
+int __ieee754_ilogbl(long double x)
{
int64_t hx,lx;
int ix;
@@ -55,4 +55,3 @@ int __ilogbl(long double x)
}
return FP_ILOGBNAN;
}
-long_double_symbol (libm, __ilogbl, ilogbl);
diff --git a/sysdeps/ieee754/ldbl-opt/s_ilogb.c b/sysdeps/ieee754/ldbl-opt/w_ilogb.c
index 3a6ccbd09d..f518087a5f 100644
--- a/sysdeps/ieee754/ldbl-opt/s_ilogb.c
+++ b/sysdeps/ieee754/ldbl-opt/w_ilogb.c
@@ -1,5 +1,5 @@
#include <math_ldbl_opt.h>
-#include <sysdeps/ieee754/dbl-64/s_ilogb.c>
+#include <math/w_ilogb.c>
#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
compat_symbol (libm, __ilogb, ilogbl, GLIBC_2_0);
#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_ilogbl.c b/sysdeps/ieee754/ldbl-opt/w_ilogbl.c
new file mode 100644
index 0000000000..36f83f6ade
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-opt/w_ilogbl.c
@@ -0,0 +1,5 @@
+#include <math_ldbl_opt.h>
+#undef weak_alias
+#define weak_alias(n,a)
+#include <math/w_ilogbl.c>
+long_double_symbol (libm, __ilogbl, ilogbl);
diff --git a/sysdeps/x86_64/fpu/s_ilogbl.S b/sysdeps/x86_64/fpu/e_ilogbl.S
index f59040c11e..44f92159a8 100644
--- a/sysdeps/x86_64/fpu/s_ilogbl.S
+++ b/sysdeps/x86_64/fpu/e_ilogbl.S
@@ -7,7 +7,7 @@
#include <machine/asm.h>
-ENTRY(__ilogbl)
+ENTRY(__ieee754_ilogbl)
fldt 8(%rsp)
/* I added the following ugly construct because ilogb(+-Inf) is
required to return INT_MAX in ISO C99.
@@ -18,6 +18,8 @@ ENTRY(__ilogbl)
andb %ah, %dh
cmpb $0x05, %dh
je 1f /* Is +-Inf, jump. */
+ cmpb $0x40, %dh
+ je 2f /* Is +-Inf, jump. */
fxtract
fstp %st
@@ -31,5 +33,8 @@ ENTRY(__ilogbl)
1: fstp %st
movl $0x7fffffff, %eax
ret
-END (__ilogbl)
-weak_alias (__ilogbl, ilogbl)
+2: fstp %st
+ movl $0x80000000, %eax /* FP_ILOGB0 */
+ ret
+END (__ieee754_ilogbl)
+weak_alias (__ieee754_ilogbl, __ilogbl_finite)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 00:03:54 +0000