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tcg/arm: Use r6 as TCG_AREG0 to avoid clash with Thumb framepointer 

On ARM, in Thumb mode r7 is used for the framepointer; this meant
that we would fail to compile in debug mode because we were using r7
for TCG_AREG0. Shift to r6 instead to avoid this clash.
(Bug reported as LP:870990.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
This commit is contained in:
Peter Maydell 2011-12-26 00:02:18 +00:00 committed by Andrzej Zaborowski
parent 520a02f8b8
commit 05b922dd0a
2 changed files with 2 additions and 2 deletions
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2
dyngen-exec.h
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@ -31,7 +31,7 @@
#elif defined(_ARCH_PPC)
#define AREG0 "r27"
#elif defined(__arm__)
#define AREG0 "r7"
#define AREG0 "r6"
#elif defined(__hppa__)
#define AREG0 "r17"
#elif defined(__mips__)

2
tcg/arm/tcg-target.h
View File

@ -78,7 +78,7 @@ typedef enum {
enum {
/* Note: must be synced with dyngen-exec.h */
TCG_AREG0 = TCG_REG_R7,
TCG_AREG0 = TCG_REG_R6,
};
static inline void flush_icache_range(unsigned long start, unsigned long stop)