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[Qemu-devel] [PATCH 06/14] Add v{max,min}fp instructions
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 06/14] Add v{max,min}fp instructions |
Date: |
Thu, 22 Jan 2009 12:44:06 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 19 +++++++++++++++++++
target-ppc/translate.c | 2 ++
3 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 8c04ba7..ebdeabe 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -232,6 +232,8 @@ DEF_HELPER_3(vsum2sws, void, avr, avr, avr)
DEF_HELPER_3(vsum4sbs, void, avr, avr, avr)
DEF_HELPER_3(vsum4shs, void, avr, avr, avr)
DEF_HELPER_3(vsum4ubs, void, avr, avr, avr)
+DEF_HELPER_3(vmaxfp, void, avr, avr, avr)
+DEF_HELPER_3(vminfp, 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 107f977..717bbd4 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2252,6 +2252,25 @@ VMINMAX(uw, u32)
#undef VMINMAX_DO
#undef VMINMAX
+#define VMINMAXFP(suffix, relation) \
+ void helper_v##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
+ HANDLE_NAN2(r->f[i], a->f[i], b->f[i]) { \
+ int rel = float32_compare_quiet(a->f[i], b->f[i],
&env->vec_status); \
+ if (rel == relation) { \
+ r->f[i] = a->f[i]; \
+ } else { \
+ r->f[i] = b->f[i]; \
+ } \
+ } \
+ } \
+ }
+VMINMAXFP(minfp, float_relation_less)
+VMINMAXFP(maxfp, float_relation_greater)
+#undef VMINMAXFP
+
void helper_vmladduhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int i;
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 19abec1..35693e0 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6395,6 +6395,8 @@ GEN_VXFORM(vsum4sbs, 4, 28);
GEN_VXFORM(vsum4shs, 4, 25);
GEN_VXFORM(vsum2sws, 4, 26);
GEN_VXFORM(vsumsws, 4, 30);
+GEN_VXFORM(vmaxfp, 5, 10);
+GEN_VXFORM(vminfp, 5, 11);
#define GEN_VXRFORM1(opname, name, str, opc2, opc3) \
GEN_HANDLER2(name, str, 0x4, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
--
1.6.0.5
- [Qemu-devel] [PATCH 13/14] Add vrefp instruction, (continued)
- [Qemu-devel] [PATCH 13/14] Add vrefp instruction, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 01/14] Add f field to ppc_avr_t, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 10/14] Add vrfi{m,n,p,z} instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 12/14] Add vct{u,s}xs instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 02/14] Add various NaN-handling macros, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 04/14] Add calls to initialize VSCR on appropriate machines, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 11/14] Add vcf{u,s}x instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 03/14] Rename spe_status to vec_status, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 08/14] Add vmaddfp and vnmsubfp instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 07/14] Add v{add,sub}fp instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 06/14] Add v{max,min}fp instructions,
Nathan Froyd <=