aboutsummaryrefslogtreecommitdiff
path: root/target-ppc/op_helper.c
diff options
context:
space:
mode:
authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:12:19 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:12:19 +0000
commit1dd9ffb969c82e6edff5b0bff0b26519c6daa9c7 (patch)
tree221fd7c9a579015bacd69aa83a59773637a59ef6 /target-ppc/op_helper.c
parent5335a145a178630a8d157cd927c5bd697d1e362e (diff)
Add vpkpx instruction.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6183 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r--target-ppc/op_helper.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 1c820885ab..dcf1aef8a3 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2195,6 +2195,27 @@ void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
#else
#define PKBIG 0
#endif
+void helper_vpkpx (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+{
+ int i, j;
+ ppc_avr_t result;
+#if defined(WORDS_BIGENDIAN)
+ const ppc_avr_t *x[2] = { a, b };
+#else
+ const ppc_avr_t *x[2] = { b, a };
+#endif
+
+ VECTOR_FOR_INORDER_I (i, u64) {
+ VECTOR_FOR_INORDER_I (j, u32){
+ uint32_t e = x[i]->u32[j];
+ result.u16[4*i+j] = (((e >> 9) & 0xfc00) |
+ ((e >> 6) & 0x3e0) |
+ ((e >> 3) & 0x1f));
+ }
+ }
+ *r = result;
+}
+
#define VPK(suffix, from, to, cvt, dosat) \
void helper_vpk##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \