[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 37/42] target-ppc: add vmh{, r}addshs instructions.
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 37/42] target-ppc: add vmh{, r}addshs instructions. |
Date: |
Sun, 14 Dec 2008 18:15:10 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 30 ++++++++++++++++++++++++++++++
target-ppc/translate.c | 1 +
3 files changed, 33 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 422600a..994c1af 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2197,6 +2197,36 @@ 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;
+
+ VECTOR_FOR (s16) {
+ 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;
+
+ VECTOR_FOR (s16) {
+ 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 4294148..3a4a3cb 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6451,6 +6451,7 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400,
PPC_ALTIVEC)
tcg_temp_free (rd); \
}
+GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 32)
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 36)
GEN_VAFORM_PAIRED(vsel, vperm, 42)
--
1.6.0.5
- [Qemu-devel] [PATCH 15/42] target-ppc: add vsl{b, h, w} instructions., (continued)
- [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, 2008/12/14
- [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 <=
- [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
- [Qemu-devel] [PATCH 24/42] target-ppc: add GEN_VXFORM_SIMM macro for subsequent instructions., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 40/42] target-ppc: add vmladduhm instruction., Nathan Froyd, 2008/12/14
- [Qemu-devel] [PATCH 25/42] target-ppc: add vspltis{b, h, w} instructions., Nathan Froyd, 2008/12/15