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[Qemu-devel] [PATCH 05/35] tcg-s390: Icache flush is a no-op.
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 05/35] tcg-s390: Icache flush is a no-op. |
Date: |
Fri, 4 Jun 2010 12:14:13 -0700 |
Before gcc 4.2, __builtin___clear_cache doesn't exist, and
afterward the gcc s390 backend implements it as nothing.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/s390/tcg-target.h | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h
index d8a2955..d7fe0c7 100644
--- a/tcg/s390/tcg-target.h
+++ b/tcg/s390/tcg-target.h
@@ -94,9 +94,4 @@ enum {
static inline void flush_icache_range(unsigned long start, unsigned long stop)
{
-#if QEMU_GNUC_PREREQ(4, 1)
- __builtin___clear_cache((char *) start, (char *) stop);
-#else
-#error not implemented
-#endif
}
--
1.7.0.1
[Qemu-devel] [PATCH 07/35] tcg: Optionally sign-extend 32-bit arguments for 64-bit host., Richard Henderson, 2010/06/04