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target-m68k: update CPU flags management

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Copied from target-i386

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Laurent Vivier 2015-08-09 01:44:24 +02:00
parent 91f90d7191
commit 9fdb533fb1
2 changed files with 86 additions and 40 deletions
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5
target-m68k/cpu.h
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@ -167,7 +167,7 @@ int cpu_m68k_signal_handler(int host_signum, void *pinfo,
* using this information. Condition codes are not generated if they
* are only needed for conditional branches.
*/
enum {
typedef enum {
CC_OP_DYNAMIC, /* Use env->cc_op */
CC_OP_FLAGS, /* CC_DEST = CVZN, CC_SRC = unused */
CC_OP_LOGICB, /* CC_DEST = result, CC_SRC = unused */
@ -188,7 +188,8 @@ enum {
CC_OP_SHIFTB, /* CC_DEST = result, CC_SRC = carry */
CC_OP_SHIFTW, /* CC_DEST = result, CC_SRC = carry */
CC_OP_SHIFT, /* CC_DEST = result, CC_SRC = carry */
};
CC_OP_NB,
} CCOp;
#define CCF_C 0x01
#define CCF_V 0x02