Re: glibc built with gcc-4.1 (update)
Aurelien Jarno <aurelien@aurel32.net> writes:
> On arm, ia64 and alpha the glibc fails to build with gcc-4.1.
On Alpha the problem is:
{standard input}: Assembler messages:
{standard input}:341: Error: macro requires $at register while noat in effect
{standard input}:374: Error: macro requires $at register while noat in effect
{standard input}:438: Error: macro requires $at register while noat in effect
{standard input}:471: Error: macro requires $at register while noat in effect
make[3]: *** [/tmp/buildd/glibc-2.3.6/build-tree/alpha-libc/misc/ioperm.o] Error 1
Hrm. gcc puts .arch ev4 into the .s, and this overrides -mev6 for as.
I cannot really think of anything better than
--- ioperm.c~ 2001-07-06 06:56:13.000000000 +0200
+++ ioperm.c 2006-05-30 21:22:54.000000000 +0200
@@ -173,13 +173,13 @@
static inline void
stb_mb(unsigned char val, unsigned long addr)
{
- __asm__("stb %1,%0; mb" : "=m"(*(vucp)addr) : "r"(val));
+ __asm__(".arch ev6; stb %1,%0; mb" : "=m"(*(vucp)addr) : "r"(val));
}
static inline void
stw_mb(unsigned short val, unsigned long addr)
{
- __asm__("stw %1,%0; mb" : "=m"(*(vusp)addr) : "r"(val));
+ __asm__("".arch ev6; stw %1,%0; mb" : "=m"(*(vusp)addr) : "r"(val));
}
static inline void
@@ -351,7 +351,7 @@
unsigned long int addr = dense_port_to_cpu_addr (port);
unsigned char r;
- __asm__ ("ldbu %0,%1" : "=r"(r) : "m"(*(vucp)addr));
+ __asm__ (".arch ev6; ldbu %0,%1" : "=r"(r) : "m"(*(vucp)addr));
return r;
}
@@ -361,7 +361,7 @@
unsigned long int addr = dense_port_to_cpu_addr (port);
unsigned short r;
- __asm__ ("ldwu %0,%1" : "=r"(r) : "m"(*(vusp)addr));
+ __asm__ (".arch ev6; ldwu %0,%1" : "=r"(r) : "m"(*(vusp)addr));
return r;
}
--
Falk
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