Package: glibc / 2.28-10

alpha/local-gcc4.1.diff Patch series | download
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2006-05-30  Falk Hueffner <falk@debian.org>

	* sysdeps/unix/sysv/linux/alpha/ioperm.c: force the architecture
	  to ev6 in assembly code.

{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

---
 sysdeps/unix/sysv/linux/alpha/ioperm.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -177,13 +177,13 @@
 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
@@ -355,7 +355,7 @@
   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;
 }
 
@@ -365,7 +365,7 @@
   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;
 }