diff options
| author | Bharata B Rao <bharata@linux.vnet.ibm.com> | 2016-12-07 23:55:02 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-01-31 10:10:13 +1100 |
| commit | 234068abfb345f08b160be71e0a4099c19384712 (patch) | |
| tree | c9394e01054f830a37b1631ed5552e1f3b809234 /target/ppc/fpu_helper.c | |
| parent | 014ed3bb2015dcbe614b8ee2d505a43ab197db07 (diff) | |
target-ppc: Add xxperm and xxpermr instructions
xxperm: VSX Vector Permute
xxpermr: VSX Vector Permute Right-indexed
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
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/fpu_helper.c')
| -rw-r--r-- | target/ppc/fpu_helper.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 3b867cfb69..1ccd5e6c1c 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2869,3 +2869,26 @@ uint64_t helper_xsrsp(CPUPPCState *env, uint64_t xb) float_check_status(env); return xt; } + +#define VSX_XXPERM(op, indexed) \ +void helper_##op(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xa, pcv, xto; \ + int i, idx; \ + \ + getVSR(xA(opcode), &xa, env); \ + getVSR(xT(opcode), &xt, env); \ + getVSR(xB(opcode), &pcv, env); \ + \ + for (i = 0; i < 16; i++) { \ + idx = pcv.VsrB(i) & 0x1F; \ + if (indexed) { \ + idx = 31 - idx; \ + } \ + xto.VsrB(i) = (idx <= 15) ? xa.VsrB(idx) : xt.VsrB(idx - 16); \ + } \ + putVSR(xT(opcode), &xto, env); \ +} + +VSX_XXPERM(xxperm, 0) +VSX_XXPERM(xxpermr, 1) |