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-rw-r--r--target-mips/dsp_helper.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index a55f866581..655dc8a944 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -19,6 +19,7 @@
#include "cpu.h"
#include "helper.h"
+#include "qemu/bitops.h"
/* As the byte ordering doesn't matter, i.e. all columns are treated
identically, these unions can be used directly. */
@@ -90,10 +91,10 @@ static inline void set_DSPControl_pos(uint32_t pos, CPUMIPSState *env)
dspc = env->active_tc.DSPControl;
#ifndef TARGET_MIPS64
dspc = dspc & 0xFFFFFFC0;
- dspc |= pos;
+ dspc |= (pos & 0x3F);
#else
dspc = dspc & 0xFFFFFF80;
- dspc |= pos;
+ dspc |= (pos & 0x7F);
#endif
env->active_tc.DSPControl = dspc;
}
@@ -3439,10 +3440,9 @@ target_ulong helper_extpdp(target_ulong ac, target_ulong size,
if (sub >= -1) {
acc = ((uint64_t)env->active_tc.HI[ac] << 32) |
((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
- temp = (acc >> (start_pos - size)) &
- (((uint32_t)0x01 << (size + 1)) - 1);
+ temp = extract64(acc, start_pos - size, size + 1);
- set_DSPControl_pos(start_pos - (size + 1), env);
+ set_DSPControl_pos(sub, env);
set_DSPControl_efi(0, env);
} else {
set_DSPControl_efi(1, env);