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| author | Vivek Andrew Sha <vivekandrewsha@gmail.com> | 2016-07-28 23:44:16 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-07 12:40:11 +1000 |
| commit | 5644a17567596eea8c4e16a8087dab9cc0292c6f (patch) | |
| tree | 0f90b64457bb661e2e2df206cf1f411daf95a8f4 | |
| parent | f7cc8466f1c29550b5ace0750813bc6c9190f604 (diff) | |
| download | qemu-5644a17567596eea8c4e16a8087dab9cc0292c6f.tar.gz qemu-5644a17567596eea8c4e16a8087dab9cc0292c6f.tar.bz2 qemu-5644a17567596eea8c4e16a8087dab9cc0292c6f.zip | |
target-ppc: add vslv instruction
vslv: Vector Shift Left Variable
Signed-off-by: Vivek Andrew Sha <vivekandrewsha@gmail.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | target-ppc/helper.h | 1 | ||||
| -rw-r--r-- | target-ppc/int_helper.c | 14 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-impl.c | 1 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-ops.c | 4 |
4 files changed, 20 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index e93b84b9f0..9703f8502c 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -211,6 +211,7 @@ DEF_HELPER_3(vslw, void, avr, avr, avr) DEF_HELPER_3(vsld, void, avr, avr, avr) DEF_HELPER_3(vslo, void, avr, avr, avr) DEF_HELPER_3(vsro, void, avr, avr, avr) +DEF_HELPER_3(vslv, void, avr, avr, avr) DEF_HELPER_3(vaddcuw, void, avr, avr, avr) DEF_HELPER_3(vsubcuw, void, avr, avr, avr) DEF_HELPER_2(lvsl, void, avr, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 9b4de6926b..12fe1448fa 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1696,6 +1696,20 @@ VSL(w, u32, 0x1F) VSL(d, u64, 0x3F) #undef VSL +void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i; + unsigned int shift, bytes, size; + + size = ARRAY_SIZE(r->u8); + for (i = 0; i < size; i++) { + shift = b->u8[i] & 0x7; /* extract shift value */ + bytes = (a->u8[i] << 8) + /* extract adjacent bytes */ + (((i + 1) < size) ? a->u8[i + 1] : 0); + r->u8[i] = (bytes << shift) >> 8; /* shift and store result */ + } +} + void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift) { int sh = shift & 0xf; diff --git a/target-ppc/translate/vmx-impl.c b/target-ppc/translate/vmx-impl.c index 5cd007e7de..e979668750 100644 --- a/target-ppc/translate/vmx-impl.c +++ b/target-ppc/translate/vmx-impl.c @@ -383,6 +383,7 @@ GEN_VXFORM(vsrab, 2, 12); GEN_VXFORM(vsrah, 2, 13); GEN_VXFORM(vsraw, 2, 14); GEN_VXFORM(vsrad, 2, 15); +GEN_VXFORM(vslv, 2, 29); GEN_VXFORM(vslo, 6, 16); GEN_VXFORM(vsro, 6, 17); GEN_VXFORM(vaddcuw, 0, 6); diff --git a/target-ppc/translate/vmx-ops.c b/target-ppc/translate/vmx-ops.c index 0be69890d1..61e08b2f2d 100644 --- a/target-ppc/translate/vmx-ops.c +++ b/target-ppc/translate/vmx-ops.c @@ -38,6 +38,9 @@ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) #define GEN_VXFORM_207(name, opc2, opc3) \ GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ALTIVEC_207) +#define GEN_VXFORM_300(name, opc2, opc3) \ +GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300) + #define GEN_VXFORM_DUAL(name0, name1, opc2, opc3, type0, type1) \ GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1) @@ -107,6 +110,7 @@ GEN_VXFORM(vsrab, 2, 12), GEN_VXFORM(vsrah, 2, 13), GEN_VXFORM(vsraw, 2, 14), GEN_VXFORM_207(vsrad, 2, 15), +GEN_VXFORM_300(vslv, 2, 29), GEN_VXFORM(vslo, 6, 16), GEN_VXFORM(vsro, 6, 17), GEN_VXFORM(vaddcuw, 0, 6), |