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[Qemu-devel] [PATCH 35/40] Add vmh{,r}addshs instructions.
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 35/40] Add vmh{,r}addshs instructions. |
Date: |
Tue, 30 Dec 2008 19:10:17 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 32 ++++++++++++++++++++++++++++++++
target-ppc/translate.c | 2 ++
3 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index e2ad294..8ea8ddd 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -204,6 +204,8 @@ DEF_HELPER_3(vpkuwus, void, avr, avr, avr)
DEF_HELPER_3(vpkuhum, void, avr, avr, avr)
DEF_HELPER_3(vpkuwum, void, avr, avr, avr)
DEF_HELPER_3(vpkpx, void, avr, avr, avr)
+DEF_HELPER_4(vmhaddshs, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmhraddshs, 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 d64b05c..8c354c3 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2141,6 +2141,38 @@ VCMP(gtsh, >, s16)
VCMP(gtsw, >, s32)
#undef VCMP
+void helper_vmhaddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ int sat = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
+ int32_t prod = a->s16[i] * b->s16[i];
+ int32_t t = (int32_t)c->s16[i] + (prod >> 15);
+ r->s16[i] = cvtswsh (t, &sat);
+ }
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
+void helper_vmhraddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ int sat = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
+ int32_t prod = a->s16[i] * b->s16[i] + 0x00004000;
+ int32_t t = (int32_t)c->s16[i] + (prod >> 15);
+ r->s16[i] = cvtswsh (t, &sat);
+ }
+
+ if (sat) {
+ env->vscr |= (1 << VSCR_SAT);
+ }
+}
+
#define VMINMAX_DO(name, compare, element) \
void helper_v##name (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 bc1a1ff..ce25033 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6477,6 +6477,8 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400,
PPC_ALTIVEC)
tcg_temp_free_ptr(rd); \
}
+GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
+
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vsel, vperm, 21)
--
1.6.0.5
- [Qemu-devel] [PATCH 26/40] Add GEN_VXFORM_NOA macro for subsequent instructions., (continued)
- [Qemu-devel] [PATCH 26/40] Add GEN_VXFORM_NOA macro for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 06/40] Add v{min, max}{s, u}{b, h, w} instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 33/40] Add vpks{h, w}{s, u}s, vpku{h, w}us, and vpku{h, w}um instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 07/40] Add GEN_VXRFORM{, 1} macros for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 08/40] Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 19/40] Add vrl{b,h,w} instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 32/40] Add saturating arithmetic conversion functions for subsequent instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 14/40] Add vs{l,r}o instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 34/40] Add vpkpx instruction., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 17/40] Add m{f,t}vscr instructions., Nathan Froyd, 2008/12/31
- [Qemu-devel] [PATCH 35/40] Add vmh{,r}addshs instructions.,
Nathan Froyd <=
- [Qemu-devel] [PATCH 38/40] Add vmladduhm instruction., Nathan Froyd, 2008/12/31