tile: add inhibit_loop_to_libcall to string functions

Without this, on gcc 4.8.2 the built glibc crashes when memcpy
or memset are invoked, since they call themselves recursively.
See commit 85c2e6110c9a01ec for the generic inhibit_loop_to_libcall.

diff --git a/ChangeLog b/ChangeLog
index 61ac73d4b948e1d52a49b1a9d4754ac8aa356d97..de2e7ccbbda96c3a4670bd1104ecdfa77b05c10b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2014-12-11  Chris Metcalf  <cmetcalf@ezchip.com>
+
+       * sysdeps/tile/tilegx/memset.c (__memcpy): Add
+       inhibit_loop_to_libcall to avoid recursive calls.
+       * sysdeps/tile/tilegx/memcpy.c (__memcpy): Likewise.
+       * sysdeps/tile/tilepro/memcpy.c (__memcpy): Likewise.
+
 2014-12-11  Adhemerval Zanella  <Azanella@linux.vnet.ibm.com>
 
        * include/sys/socket.h (__sendmmsg): Add __USE_GNU guards on function

diff --git a/sysdeps/tile/tilegx/memcpy.c b/sysdeps/tile/tilegx/memcpy.c
index 5d5df19ef34bb12e8a02303b7fb406084388e68b..abcaf4dc9348991107f621f93a39313072f8252a 100644 (file)
--- a/sysdeps/tile/tilegx/memcpy.c
+++ b/sysdeps/tile/tilegx/memcpy.c
@@ -25,7 +25,7 @@
 /* How many cache lines ahead should we prefetch? */
 #define PREFETCH_LINES_AHEAD 3
 
-void *
+void * inhibit_loop_to_libcall
 __memcpy (void *__restrict dstv, const void *__restrict srcv, size_t n)
 {
   char *__restrict dst1 = (char *) dstv;

diff --git a/sysdeps/tile/tilegx/memset.c b/sysdeps/tile/tilegx/memset.c
index d41b205a3c96bbf96c897941cfb73ae9bdb1a40b..b794bf21c4d07a9d645361cffb9330946ec14080 100644 (file)
--- a/sysdeps/tile/tilegx/memset.c
+++ b/sysdeps/tile/tilegx/memset.c
@@ -21,7 +21,7 @@
 #include <stdint.h>
 #include "string-endian.h"
 
-void *
+void * inhibit_loop_to_libcall
 __memset (void *s, int c, size_t n)
 {
   uint64_t *out64;

diff --git a/sysdeps/tile/tilepro/memset.c b/sysdeps/tile/tilepro/memset.c
index 85d6b810ed55544652711816d0cef14cc6de5126..d24863482e23f06f5f601f74ba97f61962778145 100644 (file)
--- a/sysdeps/tile/tilepro/memset.c
+++ b/sysdeps/tile/tilepro/memset.c
@@ -20,7 +20,7 @@
 #include <stdint.h>
 #include <arch/chip.h>
 
-void *
+void * inhibit_loop_to_libcall
 __memset (void *s, int c, size_t n)
 {
   uint32_t *out32;