[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH V3 07/12] Add helper functions for MIPS DSP Multiply
|
From: |
Jia Liu |
|
Subject: |
[Qemu-devel] [PATCH V3 07/12] Add helper functions for MIPS DSP Multiply instructions |
|
Date: |
Tue, 27 Mar 2012 17:24:45 +0800 |
Add helper functions for MIPS DSP Multiply instructions.
Signed-off-by: Jia Liu <address@hidden>
---
target-mips/dsp_helper.c | 724 ++++++++++++++++++++++++++++++++++++++++++++++
target-mips/helper.h | 34 +++
2 files changed, 758 insertions(+), 0 deletions(-)
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index d73061f..4692cc4 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -2187,6 +2187,730 @@ uint32_t helper_shrav_r_w(uint32_t rs, uint32_t rt)
return rd;
}
+/** DSP Multiply Sub-class insns **/
+uint32_t helper_muleu_s_ph_qbl(uint32_t rs, uint32_t rt)
+{
+ uint8_t rs3, rs2;
+ uint16_t tempB, tempA, rth, rtl;
+ uint32_t temp;
+ uint32_t rd;
+
+ rs3 = (rs & MIPSDSP_Q3) >> 24;
+ rs2 = (rs & MIPSDSP_Q2) >> 16;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+ tempB = mipsdsp_mul_u8_u16(rs3, rth);
+ tempA = mipsdsp_mul_u8_u16(rs2, rtl);
+ temp = ((uint32_t)tempB << 16) | ((uint32_t)tempA & MIPSDSP_LO);
+ rd = temp;
+ return rd;
+}
+
+uint32_t helper_muleu_s_ph_qbr(uint32_t rs, uint32_t rt)
+{
+ uint8_t rs1, rs0;
+ uint16_t tempB, tempA;
+ uint16_t rth, rtl;
+ uint32_t temp;
+ uint32_t rd;
+
+ rs1 = (rs & MIPSDSP_Q1) >> 8;
+ rs0 = rs & MIPSDSP_Q0;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_u8_u16(rs1, rth);
+ tempA = mipsdsp_mul_u8_u16(rs0, rtl);
+ temp = ((uint32_t)tempB << 16) | ((uint32_t)tempA & MIPSDSP_LO);
+ rd = temp;
+ return rd;
+}
+
+uint32_t helper_mulq_rs_ph(uint32_t rs, uint32_t rt)
+{
+ int16_t tempB, tempA, rsh, rsl, rth, rtl;
+ int32_t temp;
+ uint32_t rd;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_rndq15_mul_q15_q15(rsh, rth);
+ tempA = mipsdsp_rndq15_mul_q15_q15(rsl, rtl);
+ temp = ((uint32_t)tempB << 16) | ((uint32_t)tempA & MIPSDSP_LO);
+ rd = temp;
+
+ return rd;
+}
+
+uint32_t helper_muleq_s_w_phl(uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rth;
+ int32_t temp;
+ uint32_t rd;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ temp = mipsdsp_mul_q15_q15_overflowflag21(rsh, rth);
+ rd = temp;
+
+ return rd;
+}
+
+uint32_t helper_muleq_s_w_phr(uint32_t rs, uint32_t rt)
+{
+ int16_t rsl, rtl;
+ int32_t temp;
+ uint32_t rd;
+
+ rsl = rs & MIPSDSP_LO;
+ rtl = rt & MIPSDSP_LO;
+ temp = mipsdsp_mul_q15_q15_overflowflag21(rsl, rtl);
+ rd = temp;
+
+ return rd;
+}
+
+void helper_dpau_h_qbl(int ac, uint32_t rs, uint32_t rt)
+{
+ uint8_t rs3, rs2;
+ uint8_t rt3, rt2;
+ uint16_t tempB, tempA;
+ uint64_t tempC, tempBL, tempAL, dotp;
+
+ rs3 = (rs & MIPSDSP_Q3) >> 24;
+ rt3 = (rt & MIPSDSP_Q3) >> 24;
+ rs2 = (rs & MIPSDSP_Q2) >> 16;
+ rt2 = (rt & MIPSDSP_Q2) >> 16;
+ tempB = mipsdsp_mul_u8_u8(rs3, rt3);
+ tempA = mipsdsp_mul_u8_u8(rs2, rt2);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) + dotp;
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dpau_h_qbr(int ac, uint32_t rs, uint32_t rt)
+{
+ uint8_t rs1, rs0;
+ uint8_t rt1, rt0;
+ uint16_t tempB, tempA;
+ uint64_t tempC, tempBL, tempAL, dotp;
+
+ rs1 = (rs & MIPSDSP_Q1) >> 8;
+ rt1 = (rt & MIPSDSP_Q1) >> 8;
+ rs0 = (rs & MIPSDSP_Q0);
+ rt0 = (rt & MIPSDSP_Q0);
+ tempB = mipsdsp_mul_u8_u8(rs1, rt1);
+ tempA = mipsdsp_mul_u8_u8(rs0, rt0);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) + dotp;
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dpsu_h_qbl(int ac, uint32_t rs, uint32_t rt)
+{
+ uint8_t rs3, rs2, rt3, rt2;
+ uint16_t tempB, tempA;
+ uint64_t dotp, tempBL, tempAL, tempC;
+
+ rs3 = (rs & MIPSDSP_Q3) >> 24;
+ rs2 = (rs & MIPSDSP_Q2) >> 16;
+ rt3 = (rt & MIPSDSP_Q3) >> 24;
+ rt2 = (rt & MIPSDSP_Q2) >> 16;
+
+ tempB = mipsdsp_mul_u8_u8(rs3, rt3);
+ tempA = mipsdsp_mul_u8_u8(rs2, rt2);
+ tempBL = tempB & 0xFFFF;
+ tempAL = tempA & 0xFFFF;
+
+ dotp = tempBL + tempAL;
+ tempC = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempC -= dotp;
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dpsu_h_qbr(int ac, uint32_t rs, uint32_t rt)
+{
+ uint8_t rs1, rs0, rt1, rt0;
+ uint16_t tempB, tempA;
+ uint64_t dotp, tempBL, tempAL, tempC;
+
+ rs1 = (rs & MIPSDSP_Q1) >> 8;
+ rs0 = (rs & MIPSDSP_Q0);
+ rt1 = (rt & MIPSDSP_Q1) >> 8;
+ rt0 = (rt & MIPSDSP_Q0);
+
+ tempB = mipsdsp_mul_u8_u8(rs1, rt1);
+ tempA = mipsdsp_mul_u8_u8(rs0, rt0);
+ tempBL = tempB & 0xFFFF;
+ tempAL = tempA & 0xFFFF;
+
+ dotp = tempBL + tempAL;
+ tempC = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempC -= dotp;
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dpa_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempA, tempB;
+ int64_t acc, tempAL, tempBL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = (int32_t)rsh * (int32_t)rth;
+ tempA = (int32_t)rsl * (int32_t)rtl;
+ tempBL = tempB;
+ tempAL = tempA;
+
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc += tempBL + tempAL;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpax_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = (uint32_t)rsh * (uint32_t)rth;
+ tempA = (uint32_t)rsl * (uint32_t)rtl;
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc += dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpaq_s_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rth);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc += dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpaqx_s_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rth);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc += dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpaqx_sa_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA, tempC62_31, tempC63;
+ int64_t acc, dotp, tempBL, tempAL, tempC;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rth);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempC = acc + dotp;
+ tempC63 = (tempC >> 63) & 0x01;
+ tempC62_31 = (tempC >> 31) & 0xFFFFFFFF;
+
+ if ((tempC63 == 0) && (tempC62_31 == 0xFFFFFFFF)) {
+ tempC = 0x80000000;
+ set_DSPControl_overflow_flag(1, 16 + ac);
+ }
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dps_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = (int32_t)rsh * (int32_t)rth;
+ tempA = (int32_t)rsl * (int32_t)rtl;
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc -= dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpsx_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = (int32_t)rsh * (int32_t)rtl;
+ tempA = (int32_t)rsl * (int32_t)rth;
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc -= dotp;
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpsq_s_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t acc, dotp, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rth);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc -= dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
+
+void helper_dpsqx_s_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t dotp, tempC, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rth);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) - dotp;
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_dpsqx_sa_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA, tempC63, tempC62_31;
+ int64_t dotp, tempBL, tempAL, tempC;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rth);
+
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL + tempAL;
+ tempC = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempC -= dotp;
+
+ tempC63 = (tempC >> 63) & 0x01;
+ tempC62_31 = (tempC >> 31) & 0xFFFFFFFF;
+
+ if ((tempC63 == 0) && (tempC62_31 != 0)) {
+ tempC = 0x7FFFFFFF;
+ set_DSPControl_overflow_flag(1, 16 + ac);
+ }
+
+ if ((tempC63 == 1) && (tempC62_31 != 0xFFFFFFFF)) {
+ tempC = 0xFFFFFFFF80000000ull;
+ set_DSPControl_overflow_flag(1, 16 + ac);
+ }
+
+ env->active_tc.HI[ac] = (tempC & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempC & MIPSDSP_LLO;
+}
+
+void helper_mulsaq_s_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t tempBL, tempAL, acc, dotp;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_mul_q15_q15(ac, rsh, rth);
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl);
+ tempBL = tempB;
+ tempAL = tempA;
+ dotp = tempBL - tempAL;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ dotp = dotp + acc;
+ env->active_tc.HI[ac] = (dotp & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = dotp & MIPSDSP_LLO;
+}
+
+void helper_dpaq_sa_l_w(int ac, uint32_t rs, uint32_t rt)
+{
+ int32_t temp64, temp63, tempacc63, tempdotp63, tempDL63;
+ int64_t dotp, acc;
+ int64_t tempDL[2];
+ uint64_t temp;
+
+ dotp = mipsdsp_mul_q31_q31(ac, rs, rt);
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempDL[0] = acc + dotp;
+
+ tempacc63 = (acc >> 63) & 0x01;
+ tempdotp63 = (dotp >> 63) & 0x01;
+ tempDL63 = (tempDL[0] >> 63) & 0x01;
+
+ if (((tempacc63 == 1) && (tempdotp63 == 1)) | \
+ (((tempacc63 == 1) || (tempdotp63 == 1)) && tempDL63 == 0))
+ tempDL[1] = 1;
+ else
+ tempDL[1] = 0;
+
+ temp = tempDL[0];
+ temp64 = tempDL[1] & 0x01;
+ temp63 = (tempDL[0] >> 63) & 0x01;
+
+ if (temp64 != temp63) {
+ if (temp64 == 1)
+ temp = 0x8000000000000000ull;
+ else
+ temp = 0x7FFFFFFFFFFFFFFFull;
+
+ set_DSPControl_overflow_flag(1, 16 + ac);
+ }
+
+ env->active_tc.HI[ac] = (temp & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = temp & MIPSDSP_LLO;
+}
+
+void helper_dpsq_sa_l_w(int ac, uint32_t rs, uint32_t rt)
+{
+ int32_t temp64, temp63, tempacc63, tempdotp63, tempDL63;
+ int64_t dotp, acc;
+ int64_t tempDL[2];
+ uint64_t temp;
+
+ dotp = mipsdsp_mul_q31_q31(ac, rs, rt);
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempDL[0] = acc - dotp;
+
+ tempacc63 = (acc >> 63) & 0x01;
+ tempdotp63 = (dotp >> 63) & 0x01;
+ tempDL63 = (tempDL[0] >> 63) & 0x01;
+
+ if (((tempacc63 == 1) && (tempdotp63 == 0)) | \
+ (((tempacc63 == 1) || (tempdotp63 == 0)) && tempDL63 == 0))
+ tempDL[1] = 1;
+ else
+ tempDL[1] = 0;
+
+ temp = tempDL[0];
+ temp64 = tempDL[1] & 0x01;
+ temp63 = (tempDL[0] >> 63) & 0x01;
+ if (temp64 != temp63) {
+ if (temp64 == 1)
+ temp = 0x8000000000000000ull;
+ else
+ temp = 0x7FFFFFFFFFFFFFFFull;
+ set_DSPControl_overflow_flag(1, ac + 16);
+ }
+
+ env->active_tc.HI[ac] = (temp & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = temp & MIPSDSP_LLO;
+}
+
+void helper_maq_s_w_phl(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rth;
+ int32_t tempA;
+ int64_t tempL, tempAL, acc;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ tempA = mipsdsp_mul_q15_q15(ac, rsh, rth);
+ tempAL = tempA;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempL = tempAL + acc;
+ env->active_tc.HI[ac] = (tempL & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempL & MIPSDSP_LLO;
+}
+
+void helper_maq_s_w_phr(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsl, rtl;
+ int32_t tempA;
+ int64_t tempL, tempAL, acc;
+
+ rsl = rs & MIPSDSP_LO;
+ rtl = rt & MIPSDSP_LO;
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl);
+ tempAL = tempA;
+ acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
+ ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ tempL = tempAL + acc;
+
+ env->active_tc.HI[ac] = (tempL & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempL & MIPSDSP_LLO;
+}
+
+void helper_maq_sa_w_phl(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rth;
+ int32_t tempA;
+ int64_t tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ tempA = mipsdsp_mul_q15_q15(ac, rsh, rth);
+ tempA = mipsdsp_sat32_acc_q31(ac, tempA);
+ tempAL = tempA;
+
+ env->active_tc.HI[ac] = (tempAL & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempAL & MIPSDSP_LLO;
+}
+
+void helper_maq_sa_w_phr(int ac, uint32_t rs, uint32_t rt)
+{
+ int16_t rsl, rtl;
+ int32_t tempA;
+ int64_t tempAL;
+
+ rsl = rs & MIPSDSP_LO;
+ rtl = rs & MIPSDSP_LO;
+
+ tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl);
+ tempA = mipsdsp_sat32_acc_q31(ac, tempA);
+ tempAL = tempA;
+
+ env->active_tc.HI[ac] = (tempAL & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = tempAL & MIPSDSP_LLO;
+}
+
+uint32_t helper_mul_ph(uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ uint32_t rd;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+ tempB = mipsdsp_mul_i16_i16(rsh, rth);
+ tempA = mipsdsp_mul_i16_i16(rsl, rtl);
+
+ rd = ((tempB & MIPSDSP_LO) << 16) | (tempA & MIPSDSP_LO);
+
+ return rd;
+}
+
+uint32_t helper_mul_s_ph(uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ uint32_t rd;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+ tempB = mipsdsp_sat16_mul_i16_i16(rsh, rth);
+ tempA = mipsdsp_sat16_mul_i16_i16(rsl, rtl);
+
+ rd = ((tempB & MIPSDSP_LO) << 16) | (tempA & MIPSDSP_LO);
+
+ return rd;
+}
+
+uint32_t helper_mulq_s_ph(uint32_t rs, uint32_t rt)
+{
+ int16_t rsh, rsl, rth, rtl;
+ int32_t temp, tempB, tempA;
+ uint32_t rd;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = mipsdsp_sat16_mul_q15_q15(rsh, rth);
+ tempA = mipsdsp_sat16_mul_q15_q15(rsl, rtl);
+ temp = ((tempB & MIPSDSP_LO) << 16) | (tempA & MIPSDSP_LO);
+ rd = temp;
+
+ return rd;
+}
+
+uint32_t helper_mulq_s_w(uint32_t rs, uint32_t rt)
+{
+ uint32_t rd;
+ int32_t tempI;
+ int64_t tempL;
+
+ if ((rs == 0x80000000) && (rt == 0x80000000)) {
+ tempL = 0x7FFFFFFF00000000ull;
+ set_DSPControl_overflow_flag(1, 21);
+ } else {
+ tempL = ((int64_t)rs * (int64_t)rt) << 1;
+ }
+ tempI = (tempL & MIPSDSP_LHI) >> 32;
+ rd = tempI;
+
+ return rd;
+}
+
+uint32_t helper_mulq_rs_w(uint32_t rs, uint32_t rt)
+{
+ uint32_t rd;
+ int32_t tempI;
+ int64_t tempL;
+
+ if ((rs == 0x80000000) && (rt == 0x80000000)) {
+ tempL = 0x7FFFFFFF00000000ull;
+ set_DSPControl_overflow_flag(1, 21);
+ } else {
+ tempL = ((int64_t)rs * (int64_t)rt) << 1;
+ tempL += 0x80000000;
+ }
+ tempI = (tempL & MIPSDSP_LHI) >> 32;
+ rd = tempI;
+
+ return rd;
+}
+
+void helper_mulsa_w_ph(int ac, uint32_t rs, uint32_t rt)
+{
+ uint16_t rsh, rsl, rth, rtl;
+ int32_t tempB, tempA;
+ int64_t dotp, acc, tempBL, tempAL;
+
+ rsh = (rs & MIPSDSP_HI) >> 16;
+ rsl = rs & MIPSDSP_LO;
+ rth = (rt & MIPSDSP_HI) >> 16;
+ rtl = rt & MIPSDSP_LO;
+
+ tempB = (int32_t)rsh * (int32_t)rth;
+ tempA = (int32_t)rsl * (int32_t)rtl;
+ tempBL = tempB;
+ tempAL = tempA;
+
+ dotp = tempBL - tempAL;
+ acc = ((int64_t)env->active_tc.HI[ac] << 32) | \
+ ((int64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
+ acc = acc + dotp;
+
+ env->active_tc.HI[ac] = (acc & MIPSDSP_LHI) >> 32;
+ env->active_tc.LO[ac] = acc & MIPSDSP_LLO;
+}
#undef MIPSDSP_LHI
#undef MIPSDSP_LLO
diff --git a/target-mips/helper.h b/target-mips/helper.h
index 191be3a..f3fffa1 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -379,4 +379,38 @@ DEF_HELPER_FLAGS_2(shrav_r_ph, TCG_CALL_CONST |
TCG_CALL_PURE, i32, i32, i32)
DEF_HELPER_FLAGS_2(shra_r_w, TCG_CALL_CONST | TCG_CALL_PURE, i32, int, i32)
DEF_HELPER_FLAGS_2(shrav_r_w, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+/* DSP Multiply Sub-class insns */
+DEF_HELPER_FLAGS_2(muleu_s_ph_qbl, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32,
i32)
+DEF_HELPER_FLAGS_2(muleu_s_ph_qbr, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32,
i32)
+DEF_HELPER_FLAGS_2(mulq_rs_ph, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(muleq_s_w_phl, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32,
i32)
+DEF_HELPER_FLAGS_2(muleq_s_w_phr, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32,
i32)
+DEF_HELPER_3(dpau_h_qbl, void, int, i32, i32)
+DEF_HELPER_3(dpau_h_qbr, void, int, i32, i32)
+DEF_HELPER_3(dpsu_h_qbl, void, int, i32, i32)
+DEF_HELPER_3(dpsu_h_qbr, void, int, i32, i32)
+DEF_HELPER_3(dpa_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpax_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpaq_s_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpaqx_s_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpaqx_sa_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dps_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpsx_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpsq_s_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpsqx_s_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpsqx_sa_w_ph, void, int, i32, i32)
+DEF_HELPER_3(mulsaq_s_w_ph, void, int, i32, i32)
+DEF_HELPER_3(dpaq_sa_l_w, void, int, i32, i32)
+DEF_HELPER_3(dpsq_sa_l_w, void, int, i32, i32)
+DEF_HELPER_3(maq_s_w_phl, void, int, i32, i32)
+DEF_HELPER_3(maq_s_w_phr, void, int, i32, i32)
+DEF_HELPER_3(maq_sa_w_phl, void, int, i32, i32)
+DEF_HELPER_3(maq_sa_w_phr, void, int, i32, i32)
+DEF_HELPER_FLAGS_2(mul_ph, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(mul_s_ph, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(mulq_s_ph, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(mulq_s_w, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(mulq_rs_w, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_3(mulsa_w_ph, void, int, i32, i32)
+
#include "def-helper.h"
--
1.7.5.4