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| author | Jia Liu <proljc@gmail.com> | 2012-10-24 22:17:07 +0800 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-10-31 21:37:17 +0100 |
| commit | 77c5fa8b55adbd277dfa272752b4e99836ee4702 (patch) | |
| tree | 428f68cf52ca31388fcc26c75b39c69e1200cf0b /target-mips/dsp_helper.c | |
| parent | 461c08df75d8564a3ef8582bfcda398e9b09c0ff (diff) | |
| download | qemu-77c5fa8b55adbd277dfa272752b4e99836ee4702.tar.gz | |
target-mips: Add ASE DSP GPR-based shift instructions
Add MIPS ASE DSP GPR-Based Shift instructions.
Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/dsp_helper.c')
| -rw-r--r-- | target-mips/dsp_helper.c | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c index 7ddad34d10..3c79ceb1a7 100644 --- a/target-mips/dsp_helper.c +++ b/target-mips/dsp_helper.c @@ -1933,6 +1933,262 @@ PRECEU_QH(obra, 48, 32, 16, 0); #endif +/** DSP GPR-Based Shift Sub-class insns **/ +#define SHIFT_QB(name, func) \ +target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt) \ +{ \ + uint8_t rt3, rt2, rt1, rt0; \ + \ + sa = sa & 0x07; \ + \ + MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \ + \ + rt3 = mipsdsp_##func(rt3, sa); \ + rt2 = mipsdsp_##func(rt2, sa); \ + rt1 = mipsdsp_##func(rt1, sa); \ + rt0 = mipsdsp_##func(rt0, sa); \ + \ + return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \ +} + +#define SHIFT_QB_ENV(name, func) \ +target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt,\ + CPUMIPSState *env) \ +{ \ + uint8_t rt3, rt2, rt1, rt0; \ + \ + sa = sa & 0x07; \ + \ + MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \ + \ + rt3 = mipsdsp_##func(rt3, sa, env); \ + rt2 = mipsdsp_##func(rt2, sa, env); \ + rt1 = mipsdsp_##func(rt1, sa, env); \ + rt0 = mipsdsp_##func(rt0, sa, env); \ + \ + return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \ +} + +SHIFT_QB_ENV(shll, lshift8); +SHIFT_QB(shrl, rshift_u8); + +SHIFT_QB(shra, rashift8); +SHIFT_QB(shra_r, rnd8_rashift); + +#undef SHIFT_QB +#undef SHIFT_QB_ENV + +#if defined(TARGET_MIPS64) +#define SHIFT_OB(name, func) \ +target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa) \ +{ \ + int i; \ + uint8_t rt_t[8]; \ + uint64_t temp; \ + \ + sa = sa & 0x07; \ + temp = 0; \ + \ + for (i = 0; i < 8; i++) { \ + rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \ + rt_t[i] = mipsdsp_##func(rt_t[i], sa); \ + temp |= (uint64_t)rt_t[i] << (8 * i); \ + } \ + \ + return temp; \ +} + +#define SHIFT_OB_ENV(name, func) \ +target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa, \ + CPUMIPSState *env) \ +{ \ + int i; \ + uint8_t rt_t[8]; \ + uint64_t temp; \ + \ + sa = sa & 0x07; \ + temp = 0; \ + \ + for (i = 0; i < 8; i++) { \ + rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \ + rt_t[i] = mipsdsp_##func(rt_t[i], sa, env); \ + temp |= (uint64_t)rt_t[i] << (8 * i); \ + } \ + \ + return temp; \ +} + +SHIFT_OB_ENV(shll, lshift8); +SHIFT_OB(shrl, rshift_u8); + +SHIFT_OB(shra, rashift8); +SHIFT_OB(shra_r, rnd8_rashift); + +#undef SHIFT_OB +#undef SHIFT_OB_ENV + +#endif + +#define SHIFT_PH(name, func) \ +target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt, \ + CPUMIPSState *env) \ +{ \ + uint16_t rth, rtl; \ + \ + sa = sa & 0x0F; \ + \ + MIPSDSP_SPLIT32_16(rt, rth, rtl); \ + \ + rth = mipsdsp_##func(rth, sa, env); \ + rtl = mipsdsp_##func(rtl, sa, env); \ + \ + return MIPSDSP_RETURN32_16(rth, rtl); \ +} + +SHIFT_PH(shll, lshift16); +SHIFT_PH(shll_s, sat16_lshift); + +#undef SHIFT_PH + +#if defined(TARGET_MIPS64) +#define SHIFT_QH(name, func) \ +target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa) \ +{ \ + uint16_t rt3, rt2, rt1, rt0; \ + \ + sa = sa & 0x0F; \ + \ + MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ + \ + rt3 = mipsdsp_##func(rt3, sa); \ + rt2 = mipsdsp_##func(rt2, sa); \ + rt1 = mipsdsp_##func(rt1, sa); \ + rt0 = mipsdsp_##func(rt0, sa); \ + \ + return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \ +} + +#define SHIFT_QH_ENV(name, func) \ +target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa, \ + CPUMIPSState *env) \ +{ \ + uint16_t rt3, rt2, rt1, rt0; \ + \ + sa = sa & 0x0F; \ + \ + MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ + \ + rt3 = mipsdsp_##func(rt3, sa, env); \ + rt2 = mipsdsp_##func(rt2, sa, env); \ + rt1 = mipsdsp_##func(rt1, sa, env); \ + rt0 = mipsdsp_##func(rt0, sa, env); \ + \ + return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \ +} + +SHIFT_QH_ENV(shll, lshift16); +SHIFT_QH_ENV(shll_s, sat16_lshift); + +SHIFT_QH(shrl, rshift_u16); +SHIFT_QH(shra, rashift16); +SHIFT_QH(shra_r, rnd16_rashift); + +#undef SHIFT_QH +#undef SHIFT_QH_ENV + +#endif + +#define SHIFT_W(name, func) \ +target_ulong helper_##name##_w(target_ulong sa, target_ulong rt) \ +{ \ + uint32_t temp; \ + \ + sa = sa & 0x1F; \ + temp = mipsdsp_##func(rt, sa); \ + \ + return (target_long)(int32_t)temp; \ +} + +#define SHIFT_W_ENV(name, func) \ +target_ulong helper_##name##_w(target_ulong sa, target_ulong rt, \ + CPUMIPSState *env) \ +{ \ + uint32_t temp; \ + \ + sa = sa & 0x1F; \ + temp = mipsdsp_##func(rt, sa, env); \ + \ + return (target_long)(int32_t)temp; \ +} + +SHIFT_W_ENV(shll_s, sat32_lshift); +SHIFT_W(shra_r, rnd32_rashift); + +#undef SHIFT_W +#undef SHIFT_W_ENV + +#if defined(TARGET_MIPS64) +#define SHIFT_PW(name, func) \ +target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa) \ +{ \ + uint32_t rt1, rt0; \ + \ + sa = sa & 0x1F; \ + MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ + \ + rt1 = mipsdsp_##func(rt1, sa); \ + rt0 = mipsdsp_##func(rt0, sa); \ + \ + return MIPSDSP_RETURN64_32(rt1, rt0); \ +} + +#define SHIFT_PW_ENV(name, func) \ +target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa, \ + CPUMIPSState *env) \ +{ \ + uint32_t rt1, rt0; \ + \ + sa = sa & 0x1F; \ + MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ + \ + rt1 = mipsdsp_##func(rt1, sa, env); \ + rt0 = mipsdsp_##func(rt0, sa, env); \ + \ + return MIPSDSP_RETURN64_32(rt1, rt0); \ +} + +SHIFT_PW_ENV(shll, lshift32); +SHIFT_PW_ENV(shll_s, sat32_lshift); + +SHIFT_PW(shra, rashift32); +SHIFT_PW(shra_r, rnd32_rashift); + +#undef SHIFT_PW +#undef SHIFT_PW_ENV + +#endif + +#define SHIFT_PH(name, func) \ +target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt) \ +{ \ + uint16_t rth, rtl; \ + \ + sa = sa & 0x0F; \ + \ + MIPSDSP_SPLIT32_16(rt, rth, rtl); \ + \ + rth = mipsdsp_##func(rth, sa); \ + rtl = mipsdsp_##func(rtl, sa); \ + \ + return MIPSDSP_RETURN32_16(rth, rtl); \ +} + +SHIFT_PH(shrl, rshift_u16); +SHIFT_PH(shra, rashift16); +SHIFT_PH(shra_r, rnd16_rashift); + +#undef SHIFT_PH + #undef MIPSDSP_LHI #undef MIPSDSP_LLO #undef MIPSDSP_HI |