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[Qemu-devel] [PATCH 31/40] Add vsel and vperm instructions.
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 31/40] Add vsel and vperm instructions. |
Date: |
Tue, 30 Dec 2008 19:10:13 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 26 ++++++++++++++++++++++++++
target-ppc/translate.c | 1 +
3 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index dbd00f5..8bd8cf3 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -193,6 +193,8 @@ DEF_HELPER_2(vupklsb, void, avr, avr)
DEF_HELPER_2(vupklsh, void, avr, avr)
DEF_HELPER_4(vmsumubm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsummbm, void, avr, avr, avr, avr)
+DEF_HELPER_4(vsel, void, avr, avr, avr, avr)
+DEF_HELPER_4(vperm, void, avr, 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 7b4824e..7170d05 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2223,6 +2223,26 @@ VMUL(uh, u16, u32)
#undef VMUL_DO
#undef VMUL
+void helper_vperm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ ppc_avr_t result;
+ int i;
+ VECTOR_FOR_INORDER_I (i, u8) {
+ int s = c->u8[i] & 0x1f;
+#if defined(WORDS_BIGENDIAN)
+ int index = s & 0xf;
+#else
+ int index = 15 - (s & 0xf);
+#endif
+ if (s & 0x10) {
+ result.u8[i] = b->u8[index];
+ } else {
+ result.u8[i] = a->u8[index];
+ }
+ }
+ *r = result;
+}
+
#define VROTATE(suffix, element) \
void helper_vrl##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
@@ -2238,6 +2258,12 @@ VROTATE(h, u16)
VROTATE(w, u32)
#undef VROTATE
+void helper_vsel (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ r->u64[0] = (a->u64[0] & ~c->u64[0]) | (b->u64[0] & c->u64[0]);
+ r->u64[1] = (a->u64[1] & ~c->u64[1]) | (b->u64[1] & c->u64[1]);
+}
+
#if defined(WORDS_BIGENDIAN)
#define LEFT 0
#define RIGHT 1
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index a73c4ad..7cf2171 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6469,6 +6469,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400,
PPC_ALTIVEC)
}
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
+GEN_VAFORM_PAIRED(vsel, vperm, 21)
/*** SPE extension ***/
/* Register moves */
--
1.6.0.5
- [Qemu-devel] [PATCH] target-ppc: add integer Altivec instructions, take 2, Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 09/40] Add vscr access macros., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 15/40] Add v{add,sub}cuw instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 20/40] Add vs{l,r} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 25/40] Add vsplt{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 37/40] Add vmsumsh{m,s} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 31/40] Add vsel and vperm instructions.,
Nathan Froyd <=
- [Qemu-devel] [PATCH 04/40] Add v{add,sub}u{b,h,w}m instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 10/40] Add vmrg{l,h}{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 12/40] Add vsr{,a}{b,h,w} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 29/40] Add GEN_VAFORM_PAIRED macro for subsequent instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 02/40] Add helper macros for later patches., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 11/40] Add vmul{e,o}{s,u}{b,h} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 16/40] Add lvs{l,r} instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 22/40] Add GEN_VXFORM_SIMM macro for subsequent instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 39/40] Add {l,st}ve{b,h,w}x instructions., Nathan Froyd, 2008/12/30
- [Qemu-devel] [PATCH 01/40] Fix TCG error in gen_avr_ptr., Nathan Froyd, 2008/12/30