glibc-2.5 build with -Os broken on PowerPC
sparky@pld-linux.org
sparky@pld-linux.org
Fri Nov 3 11:28:00 GMT 2006
On Thu, Nov 02, 2006 at 07:08:49PM +0100, sparky@pld-linux.org wrote:
> > > glibc 2.5 does not compile on PowerPC with -Os. It fails on:
> > > sysdeps/powerpc/fpu/e_sqrt.c
> > > and
> > > sysdeps/powerpc/fpu/e_sqrtf.c
> > > because of undefined reference to __CPU_HAS_FSQRT.
Maybe attached patch would be a suitable solution. It simply does not
include that code if __CPU_HAS_FSQRT is not defined.
--
____ Sparky{PI] -- Przemyslaw _ ___ _ _ ........... LANG...Pl..Ca..Es..En
/____) ___ ___ _ _ || Iskra | | _ \| | | : WWW........ppcrcd.pld-linux.org
\____\| -_)'___| ||^'||//\\// < | _/| | | : JID......sparky<at>jabberes.org
(____/|| (_-_|_|| ||\\ || |_ |_| |_| _| : Mail....sparky<at>pld-linux.org
-------------- next part --------------
--- libc/sysdeps/powerpc/fpu/e_sqrt.c~ 2006-04-14 08:44:30.000000000 +0300
+++ libc/sysdeps/powerpc/fpu/e_sqrt.c 2006-11-03 13:24:10.000000000 +0200
@@ -169,6 +169,8 @@
{
double z;
+ /* If __CPU_HAS_FSQRT is not defined means we don't want optimization */
+#ifdef __CPU_HAS_FSQRT
/* If the CPU is 64-bit we can use the optional FP instructions. */
if (__CPU_HAS_FSQRT)
{
@@ -178,6 +180,7 @@
:"=f" (z):"f" (x));
}
else
+#endif
z = __slow_ieee754_sqrt (x);
return z;
--- libc/sysdeps/powerpc/fpu/e_sqrtf.c~ 2006-04-14 08:44:30.000000000 +0300
+++ libc/sysdeps/powerpc/fpu/e_sqrtf.c 2006-11-03 13:24:57.000000000 +0200
@@ -146,6 +146,8 @@
{
double z;
+ /* If __CPU_HAS_FSQRT is not defined means we don't want optimization */
+#ifdef __CPU_HAS_FSQRT
/* If the CPU is 64-bit we can use the optional FP instructions. */
if (__CPU_HAS_FSQRT)
{
@@ -155,6 +157,7 @@
:"=f" (z):"f" (x));
}
else
+#endif
z = __slow_ieee754_sqrtf (x);
return z;
More information about the Libc-alpha
mailing list