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target/sh4: introduce DELAY_SLOT_MASK

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This will make easier the introduction of a new flag in the next
patches.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2017-05-17 00:48:18 +02:00
parent 73479c5c87
commit 9a562ae7ba
3 changed files with 12 additions and 12 deletions
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4
target/sh4/helper.c
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@ -172,11 +172,11 @@ void superh_cpu_do_interrupt(CPUState *cs)
env->sgr = env->gregs[15];
env->sr |= (1u << SR_BL) | (1u << SR_MD) | (1u << SR_RB);
if (env->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
if (env->flags & DELAY_SLOT_MASK) {
/* Branch instruction should be executed again before delay slot. */
env->spc -= 2;
/* Clear flags for exception/interrupt routine. */
env->flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
env->flags &= ~DELAY_SLOT_MASK;
}
if (do_exp) {