diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-28 11:15:18 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-10-05 11:05:28 +1100 |
| commit | 4879538c99117e249ceb092a2ec0828d23aff01e (patch) | |
| tree | 0d4c014257f15bf35a019d96a2341ebb40d82521 /target-ppc | |
| parent | 0fa59364348e9cb52c48b0d83a1ceaed840854aa (diff) | |
| download | qemu-4879538c99117e249ceb092a2ec0828d23aff01e.tar.gz | |
target-ppc: add vclzlsbb/vctzlsbb instructions
The following vector instructions are added from ISA 3.0.
vclzlsbb - Vector Count Leading Zero Least-Significant Bits Byte
vctzlsbb - Vector Count Trailing Zero Least-Significant Bits Byte
Signed-off-by: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/helper.h | 2 | ||||
| -rw-r--r-- | target-ppc/int_helper.c | 30 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-impl.inc.c | 14 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-ops.inc.c | 2 |
4 files changed, 48 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 91c208226f..796ad455f8 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -343,6 +343,8 @@ DEF_HELPER_2(vpopcntb, void, avr, avr) DEF_HELPER_2(vpopcnth, void, avr, avr) DEF_HELPER_2(vpopcntw, void, avr, avr) DEF_HELPER_2(vpopcntd, void, avr, avr) +DEF_HELPER_1(vclzlsbb, tl, avr) +DEF_HELPER_1(vctzlsbb, tl, avr) DEF_HELPER_3(vbpermd, void, avr, avr, avr) DEF_HELPER_3(vbpermq, void, avr, avr, avr) DEF_HELPER_2(vgbbd, void, avr, avr) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 77d6bced89..202854fabd 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -881,6 +881,36 @@ VCT(uxs, cvtsduw, u32) VCT(sxs, cvtsdsw, s32) #undef VCT +target_ulong helper_vclzlsbb(ppc_avr_t *r) +{ + target_ulong count = 0; + int i; + VECTOR_FOR_INORDER_I(i, u8) { + if (r->u8[i] & 0x01) { + break; + } + count++; + } + return count; +} + +target_ulong helper_vctzlsbb(ppc_avr_t *r) +{ + target_ulong count = 0; + int i; +#if defined(HOST_WORDS_BIGENDIAN) + for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { +#else + for (i = 0; i < ARRAY_SIZE(r->u8); i++) { +#endif + if (r->u8[i] & 0x01) { + break; + } + count++; + } + return count; +} + void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index fd06abcc49..f646e8542e 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -593,6 +593,18 @@ static void glue(gen_, name)(DisasContext *ctx) \ tcg_temp_free_ptr(rd); \ } +#define GEN_VXFORM_NOA_3(name, opc2, opc3, opc4) \ +static void glue(gen_, name)(DisasContext *ctx) \ + { \ + TCGv_ptr rb; \ + if (unlikely(!ctx->altivec_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_VPU); \ + return; \ + } \ + rb = gen_avr_ptr(rB(ctx->opcode)); \ + gen_helper_##name(cpu_gpr[rD(ctx->opcode)], rb); \ + tcg_temp_free_ptr(rb); \ + } GEN_VXFORM_NOA(vupkhsb, 7, 8); GEN_VXFORM_NOA(vupkhsh, 7, 9); GEN_VXFORM_NOA(vupkhsw, 7, 25); @@ -807,6 +819,8 @@ GEN_VXFORM_NOA_2(vctzb, 1, 24, 28) GEN_VXFORM_NOA_2(vctzh, 1, 24, 29) GEN_VXFORM_NOA_2(vctzw, 1, 24, 30) GEN_VXFORM_NOA_2(vctzd, 1, 24, 31) +GEN_VXFORM_NOA_3(vclzlsbb, 1, 24, 0) +GEN_VXFORM_NOA_3(vctzlsbb, 1, 24, 1) GEN_VXFORM_NOA(vpopcntb, 1, 28) GEN_VXFORM_NOA(vpopcnth, 1, 29) GEN_VXFORM_NOA(vpopcntw, 1, 30) diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c index 1edb353a6b..b63e33dabb 100644 --- a/target-ppc/translate/vmx-ops.inc.c +++ b/target-ppc/translate/vmx-ops.inc.c @@ -219,6 +219,8 @@ 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_EO(vclzlsbb, 0x01, 0x18, 0x0), +GEN_VXFORM_300_EO(vctzlsbb, 0x01, 0x18, 0x1), GEN_VXFORM_300(vpermr, 0x1D, 0xFF), #define GEN_VXFORM_NOA(name, opc2, opc3) \ |