diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-06 10:34:10 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 10:29:40 +1000 |
| commit | ab04543602b7fa8fbc33401c66f071ae4570da04 (patch) | |
| tree | a859469c38e9e9c5681a73adcb6fb5b41a9dbe04 /target-ppc | |
| parent | 01fe9a470c4c49a18c386f411278780dedb65ad6 (diff) | |
| download | qemu-ab04543602b7fa8fbc33401c66f071ae4570da04.tar.gz | |
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>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/helper.h | 1 | ||||
| -rw-r--r-- | target-ppc/int_helper.c | 23 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-impl.inc.c | 18 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-ops.inc.c | 1 |
4 files changed, 43 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index e14886187e..e75d0701c0 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -270,6 +270,7 @@ DEF_HELPER_5(vmsumubm, void, env, avr, avr, avr, avr) DEF_HELPER_5(vmsummbm, void, env, avr, avr, avr, avr) DEF_HELPER_5(vsel, void, env, avr, avr, avr, avr) DEF_HELPER_5(vperm, void, env, avr, avr, avr, avr) +DEF_HELPER_5(vpermr, void, env, avr, avr, avr, avr) DEF_HELPER_4(vpkshss, void, env, avr, avr, avr) DEF_HELPER_4(vpkshus, void, env, avr, avr, avr) DEF_HELPER_4(vpkswss, void, env, avr, avr, avr) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index b12af95877..291fba03f6 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1126,6 +1126,29 @@ void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, *r = result; } +void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, + ppc_avr_t *c) +{ + ppc_avr_t result; + int i; + + VECTOR_FOR_INORDER_I(i, u8) { + int s = c->u8[i] & 0x1f; +#if defined(HOST_WORDS_BIGENDIAN) + int index = 15 - (s & 0xf); +#else + int index = s & 0xf; +#endif + + if (s & 0x10) { + result.u8[i] = a->u8[index]; + } else { + result.u8[i] = b->u8[index]; + } + } + *r = result; +} + #if defined(HOST_WORDS_BIGENDIAN) #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) #define VBPERMD_INDEX(i) (i) diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index cb8933080f..024faf76fe 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -766,6 +766,24 @@ static void gen_vmladduhm(DisasContext *ctx) tcg_temp_free_ptr(rd); } +static void gen_vpermr(DisasContext *ctx) +{ + TCGv_ptr ra, rb, rc, rd; + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; + } + ra = gen_avr_ptr(rA(ctx->opcode)); + rb = gen_avr_ptr(rB(ctx->opcode)); + rc = gen_avr_ptr(rC(ctx->opcode)); + rd = gen_avr_ptr(rD(ctx->opcode)); + gen_helper_vpermr(cpu_env, rd, ra, rb, rc); + tcg_temp_free_ptr(ra); + tcg_temp_free_ptr(rb); + tcg_temp_free_ptr(rc); + tcg_temp_free_ptr(rd); +} + GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18) GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19) GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20) diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c index a944671c1e..a7022a0de5 100644 --- a/target-ppc/translate/vmx-ops.inc.c +++ b/target-ppc/translate/vmx-ops.inc.c @@ -219,6 +219,7 @@ GEN_VXFORM_300_EO(vctzb, 0x01, 0x18, 0x1C), GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D), GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E), GEN_VXFORM_300_EO(vctzd, 0x01, 0x18, 0x1F), +GEN_VXFORM_300(vpermr, 0x1D, 0xFF), #define GEN_VXFORM_NOA(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) |