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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:09:52 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:09:52 +0000
commit5e1d0985f9cb5146f7feaa8a6aa223566ef0592a (patch)
tree2704e133f890923df18c20dd8a4e8f753cccdbe5 /target-ppc/op_helper.c
parentbf8d8ded57a6c54d9ff8a55c35201301ff61ece7 (diff)
Add vrl{b,h,w} instructions.
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@6170 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r--target-ppc/op_helper.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 9f3ef5921c..7f149c5ad2 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2115,6 +2115,21 @@ VMUL(uh, u16, u32)
#undef VMUL_DO
#undef VMUL
+#define VROTATE(suffix, element) \
+ void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ unsigned int mask = ((1 << (3 + (sizeof (a->element[0]) >> 1))) - 1); \
+ unsigned int shift = b->element[i] & mask; \
+ r->element[i] = (a->element[i] << shift) | (a->element[i] >> (sizeof(a->element[0]) * 8 - shift)); \
+ } \
+ }
+VROTATE(b, u8)
+VROTATE(h, u16)
+VROTATE(w, u32)
+#undef VROTATE
+
#define VSL(suffix, element) \
void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \