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target-m68k: Reorg flags handling

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Separate all ccr bits.  Continue to batch updates via cc_op.

Signed-off-by: Richard Henderson <rth@twiddle.net>

Fix gen_logic_cc() to really extend the size of the result.
Fix gen_get_ccr(): update cc_op as it is used by the helper.
Factorize flags computing and src/ccr cleanup

Signed-off-by: Laurent Vivier <laurent@vivier.eu>

target-m68k: sr/ccr cleanup

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2015-08-14 07:59:20 -07:00 • committed by Laurent Vivier
parent 18dd87f26b
commit 620c6cf665
7 changed files with 361 additions and 499 deletions
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2
target-m68k/cpu.c
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@ -58,7 +58,7 @@ static void m68k_cpu_reset(CPUState *s)
#endif
m68k_switch_sp(env);
/* ??? FP regs should be initialized to NaN. */
env->cc_op = CC_OP_FLAGS;
cpu_m68k_set_ccr(env, 0);
/* TODO: We should set PC from the interrupt vector. */
env->pc = 0;
tlb_flush(s, 1);