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target-arm: Generate fences in ARMv7 frontend 

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20160714202026.9727-12-bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Pranith Kumar 2016-07-14 16:20:23 -04:00 committed by Richard Henderson
parent ae2264d526
commit 61e4c432ab
1 changed files with 2 additions and 2 deletions
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4
target-arm/translate.c
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@ -8083,7 +8083,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
case 4: /* dsb */
case 5: /* dmb */
ARCH(7);
/* We don't emulate caches so these are a no-op. */
tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
return;
case 6: /* isb */
/* We need to break the TB after this insn to execute
@ -10432,7 +10432,7 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw
break;
case 4: /* dsb */
case 5: /* dmb */
/* These execute as NOPs. */
tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
break;
case 6: /* isb */
/* We need to break the TB after this insn