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target-mips: set carry bit correctly in DSPControl register

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First we need to clear the bit and then we set the given value.
Instruction ADDSC sets the bit and instruction ADDWC uses this bit.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Petar Jovanovic 2013-05-13 17:14:35 +02:00 committed by Aurelien Jarno
parent 0ba365f4a9
commit 118d1e4f59
1 changed files with 4 additions and 3 deletions
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7
target-mips/dsp_helper.c
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@ -54,9 +54,10 @@ static inline void set_DSPControl_overflow_flag(uint32_t flag, int position,
env->active_tc.DSPControl |= (target_ulong)flag << position;
}
static inline void set_DSPControl_carryflag(uint32_t flag, CPUMIPSState *env)
static inline void set_DSPControl_carryflag(bool flag, CPUMIPSState *env)
{
env->active_tc.DSPControl |= (target_ulong)flag << 13;
env->active_tc.DSPControl &= ~(1 << 13);
env->active_tc.DSPControl |= flag << 13;
}
static inline uint32_t get_DSPControl_carryflag(CPUMIPSState *env)
@ -1267,7 +1268,7 @@ SUBUH_QB(subuh_r, 1);
target_ulong helper_addsc(target_ulong rs, target_ulong rt, CPUMIPSState *env)
{
uint64_t temp, tempRs, tempRt;
int32_t flag;
bool flag;
tempRs = (uint64_t)rs & MIPSDSP_LLO;
tempRt = (uint64_t)rt & MIPSDSP_LLO;