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[Qemu-devel] [PATCH 22/42] target-ppc: add vs{l,r} instructions.
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 22/42] target-ppc: add vs{l,r} instructions. |
Date: |
Sun, 14 Dec 2008 18:14:55 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 35 +++++++++++++++++++++++++++++++++++
target-ppc/translate.c | 2 ++
3 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index cf2a655..5f94e9f 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -176,6 +176,8 @@ DEF_HELPER_3(vsubuws, void, avr, avr, avr)
DEF_HELPER_3(vrlb, void, avr, avr, avr)
DEF_HELPER_3(vrlh, void, avr, avr, avr)
DEF_HELPER_3(vrlw, void, avr, avr, avr)
+DEF_HELPER_3(vsl, void, avr, avr, avr)
+DEF_HELPER_3(vsr, void, avr, avr, avr)
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index b44a97d..7d72767 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2264,6 +2264,41 @@ VROTATE(h, u16)
VROTATE(w, u32)
#undef VROTATE
+#if defined(WORDS_BIGENDIAN)
+#define LEFT 0
+#define RIGHT 1
+#else
+#define LEFT 1
+#define RIGHT 0
+#endif
+#define VSHIFT(suffix, leftp) \
+ void helper_vs##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int shift = b->u8[LO_IDX*0x15] & 0x7; \
+ int doit = 1; \
+ VECTOR_FOR (u8) { \
+ doit = doit && ((b->u8[i] & 0x7) == shift); \
+ } \
+ if (doit) { \
+ if (shift == 0) { \
+ return; \
+ } else if (leftp) { \
+ uint64_t carry = a->u64[LO_IDX] >> (64 - shift); \
+ r->u64[HI_IDX] = (a->u64[HI_IDX] << shift) | carry; \
+ r->u64[LO_IDX] <<= shift; \
+ } else { \
+ uint64_t carry = a->u64[HI_IDX] << (64 - shift); \
+ r->u64[LO_IDX] = (a->u64[LO_IDX] >> shift) | carry; \
+ r->u64[HI_IDX] >>= shift; \
+ } \
+ } \
+ }
+VSHIFT(l, LEFT)
+VSHIFT(r, RIGHT)
+#undef VSHIFT
+#undef LEFT
+#undef RIGHT
+
#define VSL(suffix, element) \
void helper_vsl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 5bcbeb0..c072d54 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6290,6 +6290,8 @@ GEN_VXFORM(vsubsws, 1920);
GEN_VXFORM(vrlb, 4);
GEN_VXFORM(vrlh, 68);
GEN_VXFORM(vrlw, 132);
+GEN_VXFORM(vsl, 452);
+GEN_VXFORM(vsr, 708);
#define GEN_VXRFORM1(opname, name, str, xo, rc) \
GEN_HANDLER2(name, str, 0x4, (xo >> 1) & 0x1f, ((xo >> 6) & 0x1f) | (rc <<
4), 0x00000000, PPC_ALTIVEC) \
--
1.6.0.5
- [Qemu-devel] [PATCH 36/42] target-ppc: add vpkpx instruction., (continued)
- [Qemu-devel] [PATCH 36/42] target-ppc: add vpkpx instruction., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 04/42] target-ppc: add GEN_VXFORM macro for subsequent instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 29/42] target-ppc: add vupk{h, l}px instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 15/42] target-ppc: add vsl{b, h, w} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 03/42] target-ppc: add gen_avr_ptr function., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 09/42] target-ppc: add GEN_VXRFORM{, 1} macros for subsequent instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 22/42] target-ppc: add vs{l,r} instructions.,
Nathan Froyd <=
- [Qemu-devel] [PATCH 27/42] target-ppc: add vsplt{b, h, w} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 32/42] target-ppc: add vmsum{u, m}bm instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 37/42] target-ppc: add vmh{, r}addshs instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 33/42] target-ppc: add vsel and vperm instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 05/42] target-ppc: add v{add, sub}u{b, h, w}m instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 11/42] target-ppc: add vscr access macros., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 16/42] target-ppc: add vs{l,r}o instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 20/42] target-ppc: add v{add, sub}{s, u}{b, h, w}s instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 38/42] target-ppc: add vmsumuh{m, s} instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 41/42] target-ppc: add {l, st}ve{b, h, w}x instructions., Nathan Froyd, 2008/12/14