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Blackfin arch: More explicitly describe what the instructions do in inline assembly. 

Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Jie Zhang 2007-11-18 00:00:10 +08:00 committed by Bryan Wu
parent 561cc18b86
commit a961d65963
1 changed files with 4 additions and 4 deletions
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8
include/asm-blackfin/mach-common/def_LPBlackfin.h
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@ -46,7 +46,7 @@
#endif
#define bfin_read8(addr) ({ \
uint8_t __v; \
uint32_t __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"%0 = b[%1] (z);" \
@ -56,7 +56,7 @@
__v; })
#define bfin_read16(addr) ({ \
uint16_t __v; \
uint32_t __v; \
__asm__ __volatile__( \
NOP_PAD_ANOMALY_05000198 \
"%0 = w[%1] (z);" \
@ -80,7 +80,7 @@
NOP_PAD_ANOMALY_05000198 \
"b[%0] = %1;" \
: \
: "a" (addr), "d" (val) \
: "a" (addr), "d" ((uint8_t)(val)) \
: "memory" \
)
@ -89,7 +89,7 @@
NOP_PAD_ANOMALY_05000198 \
"w[%0] = %1;" \
: \
: "a" (addr), "d" (val) \
: "a" (addr), "d" ((uint16_t)(val)) \
: "memory" \
)