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authorWalter Lee <walt@tilera.com>2016-06-28 16:20:58 +0000
committerWalter Lee <walt@gcc.gnu.org>2016-06-28 16:20:58 +0000
commitba6be749f94e6033b8b5bcc23939b7b2f68b7c3f (patch)
tree638f376e9acfc023865e875b759805bc82409281 /gcc/config/tilegx
parent77d93c476d047864789829fc6d05a224aee5e85c (diff)
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linux.h: Do not include arch/icache.h
gcc/ChangeLog * config/tilegx/linux.h: Do not include arch/icache.h (CLEAR_INSN_CACHE): Provide inlined definition directly. * config/tilepro/linux.h: Do not include arch/icache.h (CLEAR_INSN_CACHE): Provide inlined definition directly. libgcc/ChangeLog * config/tilepro/atomic.h: Do not include arch/spr_def.h and asm/unistd.h. (SPR_CMPEXCH_VALUE): Define for tilegx. (__NR_FAST_cmpxchg): Define for tilepro. (__NR_FAST_atomic_update): Define for tilepro. (__NR_FAST_cmpxchg64): Define for tilepro. From-SVN: r237824
Diffstat (limited to 'gcc/config/tilegx')
-rw-r--r--gcc/config/tilegx/linux.h19
1 files changed, 15 insertions, 4 deletions
diff --git a/gcc/config/tilegx/linux.h b/gcc/config/tilegx/linux.h
index f68b044..8ed3d02 100644
--- a/gcc/config/tilegx/linux.h
+++ b/gcc/config/tilegx/linux.h
@@ -55,12 +55,23 @@
/* For __clear_cache in libgcc2.c. */
#ifdef IN_LIBGCC2
-#include <arch/icache.h>
-
/* Use the minimum page size of 4K. Alternatively we can call
- getpagesize() but it introduces a libc dependence. */
+ getpagesize() but it introduces a libc dependence.
+ See Linux arch/tile/include/uapi/arch/icache.h for more commentary. */
#undef CLEAR_INSN_CACHE
-#define CLEAR_INSN_CACHE(beg, end) invalidate_icache (beg, end - beg, 4096)
+#define CLEAR_INSN_CACHE(BEG, END) \
+{ \
+ long size = (long) (END) - (long) (BEG); \
+ if (size) \
+ { \
+ const char *p = (const char *) ((unsigned long) (BEG) & -64L); \
+ const char *end = p + (size < 4096 ? size : 4096) - 1; \
+ __insn_mf (); \
+ for (; p <= end; p += 64) \
+ __insn_icoh (p); \
+ __insn_drain (); \
+ } \
+}
#else