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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:11:10 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:11:10 +0000
commit79f85c3ae96b9406809c3ee53881d1d891691c5f (patch)
tree781f1e9155044c7851b58237d7aff940cea6998e /target-ppc/op_helper.c
parentde5f248499bbaee01f25e6a48ad5bb9d3c49961e (diff)
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Add vupk{h,l}px 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@6176 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc/op_helper.c')
-rw-r--r--target-ppc/op_helper.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index c4060ba..9bc213d 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2248,6 +2248,35 @@ void helper_vsubcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
}
}
+#if defined(WORDS_BIGENDIAN)
+#define UPKHI 1
+#define UPKLO 0
+#else
+#define UPKHI 0
+#define UPKLO 1
+#endif
+#define VUPKPX(suffix, hi) \
+ void helper_vupk##suffix (ppc_avr_t *r, ppc_avr_t *b) \
+ { \
+ int i; \
+ ppc_avr_t result; \
+ for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \
+ uint16_t e = b->u16[hi ? i : i+4]; \
+ uint8_t a = (e >> 15) ? 0xff : 0; \
+ uint8_t r = (e >> 10) & 0x1f; \
+ uint8_t g = (e >> 5) & 0x1f; \
+ uint8_t b = e & 0x1f; \
+ result.u32[i] = (a << 24) | (r << 16) | (g << 8) | b; \
+ } \
+ *r = result; \
+ }
+VUPKPX(lpx, UPKLO)
+VUPKPX(hpx, UPKHI)
+#undef VUPKPX
+
+#undef UPKHI
+#undef UPKLO
+
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX