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authorAurelien Jarno <aurelien@aurel32.net>2013-01-01 18:02:23 +0100
committerAurelien Jarno <aurelien@aurel32.net>2013-01-31 23:29:47 +0100
commit75d012ac7f5c92ac5ee2c1dee8c7a7fbeb724e3c (patch)
tree9b4f05cd9625f9f78a9b8ab73bb54b622f044002 /target-mips/dsp_helper.c
parent6de0e6c13e275a59de7fcf5dee26c5a88e3a2ebe (diff)
downloadqemu-arm-75d012ac7f5c92ac5ee2c1dee8c7a7fbeb724e3c.tar.gz
target-mips: use DSP unions for unary DSP operators
This allow to reduce the number of macros. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/dsp_helper.c')
-rw-r--r--target-mips/dsp_helper.c124
1 files changed, 42 insertions, 82 deletions
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index 37dbeaa48f..bcc3885601 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -1110,6 +1110,48 @@ static inline int32_t mipsdsp_cmpu_lt(uint32_t a, uint32_t b)
#endif
/** DSP Arithmetic Sub-class insns **/
+#define MIPSDSP32_UNOP_ENV(name, func, element) \
+target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \
+{ \
+ DSP32Value dt; \
+ unsigned int i, n; \
+ \
+ n = sizeof(DSP32Value) / sizeof(dt.element[0]); \
+ dt.sw[0] = rt; \
+ \
+ for (i = 0; i < n; i++) { \
+ dt.element[i] = mipsdsp_##func(dt.element[i], env); \
+ } \
+ \
+ return (target_long)dt.sw[0]; \
+}
+MIPSDSP32_UNOP_ENV(absq_s_ph, sat_abs16, sh)
+MIPSDSP32_UNOP_ENV(absq_s_qb, sat_abs8, sb)
+MIPSDSP32_UNOP_ENV(absq_s_w, sat_abs32, sw)
+#undef MIPSDSP32_UNOP_ENV
+
+#if defined(TARGET_MIPS64)
+#define MIPSDSP64_UNOP_ENV(name, func, element) \
+target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \
+{ \
+ DSP64Value dt; \
+ unsigned int i, n; \
+ \
+ n = sizeof(DSP64Value) / sizeof(dt.element[0]); \
+ dt.sl[0] = rt; \
+ \
+ for (i = 0; i < n; i++) { \
+ dt.element[i] = mipsdsp_##func(dt.element[i], env); \
+ } \
+ \
+ return dt.sl[0]; \
+}
+MIPSDSP64_UNOP_ENV(absq_s_ob, sat_abs8, sb)
+MIPSDSP64_UNOP_ENV(absq_s_qh, sat_abs16, sh)
+MIPSDSP64_UNOP_ENV(absq_s_pw, sat_abs32, sw)
+#undef MIPSDSP64_UNOP_ENV
+#endif
+
#define MIPSDSP32_BINOP(name, func, element) \
target_ulong helper_##name(target_ulong rs, target_ulong rt) \
{ \
@@ -1231,16 +1273,6 @@ MIPSDSP64_BINOP_ENV(subu_s_qh, satu16_sub_u16_u16, uh);
#endif
-target_ulong helper_absq_s_w(target_ulong rt, CPUMIPSState *env)
-{
- uint32_t rd;
-
- rd = mipsdsp_sat_abs32(rt, env);
-
- return (target_ulong)rd;
-}
-
-
#define SUBUH_QB(name, var) \
target_ulong helper_##name##_qb(target_ulong rs, target_ulong rt) \
{ \
@@ -1348,78 +1380,6 @@ target_ulong helper_raddu_l_ob(target_ulong rs)
}
#endif
-target_ulong helper_absq_s_qb(target_ulong rt, CPUMIPSState *env)
-{
- uint8_t tempD, tempC, tempB, tempA;
-
- MIPSDSP_SPLIT32_8(rt, tempD, tempC, tempB, tempA);
-
- tempD = mipsdsp_sat_abs8(tempD, env);
- tempC = mipsdsp_sat_abs8(tempC, env);
- tempB = mipsdsp_sat_abs8(tempB, env);
- tempA = mipsdsp_sat_abs8(tempA, env);
-
- return MIPSDSP_RETURN32_8(tempD, tempC, tempB, tempA);
-}
-
-target_ulong helper_absq_s_ph(target_ulong rt, CPUMIPSState *env)
-{
- uint16_t tempB, tempA;
-
- MIPSDSP_SPLIT32_16(rt, tempB, tempA);
-
- tempB = mipsdsp_sat_abs16 (tempB, env);
- tempA = mipsdsp_sat_abs16 (tempA, env);
-
- return MIPSDSP_RETURN32_16(tempB, tempA);
-}
-
-#if defined(TARGET_MIPS64)
-target_ulong helper_absq_s_ob(target_ulong rt, CPUMIPSState *env)
-{
- int i;
- int8_t temp[8];
- uint64_t result;
-
- for (i = 0; i < 8; i++) {
- temp[i] = (rt >> (8 * i)) & MIPSDSP_Q0;
- temp[i] = mipsdsp_sat_abs8(temp[i], env);
- }
-
- for (i = 0; i < 8; i++) {
- result = (uint64_t)(uint8_t)temp[i] << (8 * i);
- }
-
- return result;
-}
-
-target_ulong helper_absq_s_qh(target_ulong rt, CPUMIPSState *env)
-{
- int16_t tempD, tempC, tempB, tempA;
-
- MIPSDSP_SPLIT64_16(rt, tempD, tempC, tempB, tempA);
-
- tempD = mipsdsp_sat_abs16(tempD, env);
- tempC = mipsdsp_sat_abs16(tempC, env);
- tempB = mipsdsp_sat_abs16(tempB, env);
- tempA = mipsdsp_sat_abs16(tempA, env);
-
- return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA);
-}
-
-target_ulong helper_absq_s_pw(target_ulong rt, CPUMIPSState *env)
-{
- int32_t tempB, tempA;
-
- MIPSDSP_SPLIT64_32(rt, tempB, tempA);
-
- tempB = mipsdsp_sat_abs32(tempB, env);
- tempA = mipsdsp_sat_abs32(tempA, env);
-
- return MIPSDSP_RETURN64_32(tempB, tempA);
-}
-#endif
-
#define PRECR_QB_PH(name, a, b)\
target_ulong helper_##name##_qb_ph(target_ulong rs, target_ulong rt) \
{ \