jcs.org / qemu
qemu with hax to log dma reads & writes jcs.org/2018/11/12/vfio
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target-ppc: add vector permute right indexed instruction

Add vpermr instruction from ISA 3.0.

Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

authored by

Rajalakshmi Srinivasaraghavan and committed by
David Gibson ab045436 01fe9a47

+43
+1
target-ppc/helper.h
··· 270 270 DEF_HELPER_5(vmsummbm, void, env, avr, avr, avr, avr) 271 271 DEF_HELPER_5(vsel, void, env, avr, avr, avr, avr) 272 272 DEF_HELPER_5(vperm, void, env, avr, avr, avr, avr) 273 + DEF_HELPER_5(vpermr, void, env, avr, avr, avr, avr) 273 274 DEF_HELPER_4(vpkshss, void, env, avr, avr, avr) 274 275 DEF_HELPER_4(vpkshus, void, env, avr, avr, avr) 275 276 DEF_HELPER_4(vpkswss, void, env, avr, avr, avr)
+23
target-ppc/int_helper.c
··· 1126 1126 *r = result; 1127 1127 } 1128 1128 1129 + void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, 1130 + ppc_avr_t *c) 1131 + { 1132 + ppc_avr_t result; 1133 + int i; 1134 + 1135 + VECTOR_FOR_INORDER_I(i, u8) { 1136 + int s = c->u8[i] & 0x1f; 1137 + #if defined(HOST_WORDS_BIGENDIAN) 1138 + int index = 15 - (s & 0xf); 1139 + #else 1140 + int index = s & 0xf; 1141 + #endif 1142 + 1143 + if (s & 0x10) { 1144 + result.u8[i] = a->u8[index]; 1145 + } else { 1146 + result.u8[i] = b->u8[index]; 1147 + } 1148 + } 1149 + *r = result; 1150 + } 1151 + 1129 1152 #if defined(HOST_WORDS_BIGENDIAN) 1130 1153 #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) 1131 1154 #define VBPERMD_INDEX(i) (i)
+18
target-ppc/translate/vmx-impl.inc.c
··· 766 766 tcg_temp_free_ptr(rd); 767 767 } 768 768 769 + static void gen_vpermr(DisasContext *ctx) 770 + { 771 + TCGv_ptr ra, rb, rc, rd; 772 + if (unlikely(!ctx->altivec_enabled)) { 773 + gen_exception(ctx, POWERPC_EXCP_VPU); 774 + return; 775 + } 776 + ra = gen_avr_ptr(rA(ctx->opcode)); 777 + rb = gen_avr_ptr(rB(ctx->opcode)); 778 + rc = gen_avr_ptr(rC(ctx->opcode)); 779 + rd = gen_avr_ptr(rD(ctx->opcode)); 780 + gen_helper_vpermr(cpu_env, rd, ra, rb, rc); 781 + tcg_temp_free_ptr(ra); 782 + tcg_temp_free_ptr(rb); 783 + tcg_temp_free_ptr(rc); 784 + tcg_temp_free_ptr(rd); 785 + } 786 + 769 787 GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18) 770 788 GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19) 771 789 GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)
+1
target-ppc/translate/vmx-ops.inc.c
··· 219 219 GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D), 220 220 GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E), 221 221 GEN_VXFORM_300_EO(vctzd, 0x01, 0x18, 0x1F), 222 + GEN_VXFORM_300(vpermr, 0x1D, 0xFF), 222 223 223 224 #define GEN_VXFORM_NOA(name, opc2, opc3) \ 224 225 GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC)