diff options
| author | Gautham R. Shenoy <ego@linux.vnet.ibm.com> | 2016-10-30 08:44:56 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-11-15 10:05:50 +1100 |
| commit | 3e00884f4e9f96cb25c03175d1848dd0eb2a22a8 (patch) | |
| tree | 319df0f4ac936481769b40b9d7bcb7c7cb8c6abd /target-ppc/int_helper.c | |
| parent | ecce0369b864e3c505b89942cd8cc23a62a4386f (diff) | |
target-ppc: add vrldnmi and vrlwmi instructions
vrldmi: Vector Rotate Left Dword then Mask Insert
vrlwmi: Vector Rotate Left Word then Mask Insert
Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
( use extract[32,64] and rol[32,64], introduce mask helpers in
internal.h )
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/int_helper.c')
| -rw-r--r-- | target-ppc/int_helper.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index dca479838d..e96dfe4ee6 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -18,6 +18,7 @@ */ #include "qemu/osdep.h" #include "cpu.h" +#include "internal.h" #include "exec/exec-all.h" #include "qemu/host-utils.h" #include "exec/helper-proto.h" @@ -1717,6 +1718,28 @@ void helper_vrsqrtefp(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *b) } } +#define VRLMI(name, size, element) \ +void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ +{ \ + int i; \ + for (i = 0; i < ARRAY_SIZE(r->element); i++) { \ + uint##size##_t src1 = a->element[i]; \ + uint##size##_t src2 = b->element[i]; \ + uint##size##_t src3 = r->element[i]; \ + uint##size##_t begin, end, shift, mask, rot_val; \ + \ + shift = extract##size(src2, 0, 6); \ + end = extract##size(src2, 8, 6); \ + begin = extract##size(src2, 16, 6); \ + rot_val = rol##size(src1, shift); \ + mask = mask_u##size(begin, end); \ + r->element[i] = (rot_val & mask) | (src3 & ~mask); \ + } \ +} + +VRLMI(vrldmi, 64, u64); +VRLMI(vrlwmi, 32, u32); + void helper_vsel(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { |