diff options
| author | Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> | 2016-09-06 10:34:09 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-09-23 10:29:40 +1000 |
| commit | 01fe9a470c4c49a18c386f411278780dedb65ad6 (patch) | |
| tree | 04655861f6b742f45873c6c633ff3d9e518f3c0d /target-ppc | |
| parent | a5ad8fbf9d771d2accb583fc1eb58faf9931cfce (diff) | |
| download | qemu-01fe9a470c4c49a18c386f411278780dedb65ad6.tar.gz | |
target-ppc: add vector bit permute doubleword instruction
Add vbpermd 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 | 20 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-impl.inc.c | 1 | ||||
| -rw-r--r-- | target-ppc/translate/vmx-ops.inc.c | 1 |
4 files changed, 23 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h index b11c39ad90..e14886187e 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -333,6 +333,7 @@ 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_3(vbpermd, void, avr, avr, avr) DEF_HELPER_3(vbpermq, void, avr, avr, avr) DEF_HELPER_2(vgbbd, void, avr, avr) DEF_HELPER_3(vpmsumb, void, avr, avr, avr) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 4d1582dba2..b12af95877 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -1128,12 +1128,32 @@ void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, #if defined(HOST_WORDS_BIGENDIAN) #define VBPERMQ_INDEX(avr, i) ((avr)->u8[(i)]) +#define VBPERMD_INDEX(i) (i) #define VBPERMQ_DW(index) (((index) & 0x40) != 0) +#define EXTRACT_BIT(avr, i, index) (extract64((avr)->u64[i], index, 1)) #else #define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)]) +#define VBPERMD_INDEX(i) (1 - i) #define VBPERMQ_DW(index) (((index) & 0x40) == 0) +#define EXTRACT_BIT(avr, i, index) \ + (extract64((avr)->u64[1 - i], 63 - index, 1)) #endif +void helper_vbpermd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + int i, j; + ppc_avr_t result = { .u64 = { 0, 0 } }; + VECTOR_FOR_INORDER_I(i, u64) { + for (j = 0; j < 8; j++) { + int index = VBPERMQ_INDEX(b, (i * 8) + j); + if (index < 64 && EXTRACT_BIT(a, i, index)) { + result.u64[VBPERMD_INDEX(i)] |= (0x80 >> j); + } + } + } + *r = result; +} + void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { int i; diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index 982feff046..cb8933080f 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -792,6 +792,7 @@ GEN_VXFORM_DUAL(vclzw, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcntw, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vclzd, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcntd, PPC_NONE, PPC2_ALTIVEC_207) +GEN_VXFORM(vbpermd, 6, 23); GEN_VXFORM(vbpermq, 6, 21); GEN_VXFORM_NOA(vgbbd, 6, 20); GEN_VXFORM(vpmsumb, 4, 16) diff --git a/target-ppc/translate/vmx-ops.inc.c b/target-ppc/translate/vmx-ops.inc.c index 7172cdc542..a944671c1e 100644 --- a/target-ppc/translate/vmx-ops.inc.c +++ b/target-ppc/translate/vmx-ops.inc.c @@ -261,6 +261,7 @@ GEN_VXFORM_DUAL(vclzh, vpopcnth, 1, 29, PPC_NONE, PPC2_ALTIVEC_207), GEN_VXFORM_DUAL(vclzw, vpopcntw, 1, 30, PPC_NONE, PPC2_ALTIVEC_207), GEN_VXFORM_DUAL(vclzd, vpopcntd, 1, 31, PPC_NONE, PPC2_ALTIVEC_207), +GEN_VXFORM_300(vbpermd, 6, 23), GEN_VXFORM_207(vbpermq, 6, 21), GEN_VXFORM_207(vgbbd, 6, 20), GEN_VXFORM_207(vpmsumb, 4, 16), |