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[Qemu-devel] [PATCH 11/14] Add vcf{u,s}x instructions
From: |
Nathan Froyd |
Subject: |
[Qemu-devel] [PATCH 11/14] Add vcf{u,s}x instructions |
Date: |
Thu, 22 Jan 2009 12:44:11 -0800 |
Signed-off-by: Nathan Froyd <address@hidden>
---
target-ppc/helper.h | 2 ++
target-ppc/op_helper.c | 13 +++++++++++++
target-ppc/translate.c | 2 ++
3 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 3c2756e..6e25d94 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -250,6 +250,8 @@ DEF_HELPER_2(vrfip, void, avr, avr)
DEF_HELPER_2(vrfiz, void, avr, avr)
DEF_HELPER_4(vmaddfp, void, avr, avr, avr, avr)
DEF_HELPER_4(vnmsubfp, void, avr, avr, avr, avr)
+DEF_HELPER_3(vcfux, void, avr, avr, i32)
+DEF_HELPER_3(vcfsx, void, avr, avr, i32)
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 cd35868..32ea54f 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2187,6 +2187,19 @@ VAVG(w, s32, int64_t, u32, uint64_t)
#undef VAVG_DO
#undef VAVG
+#define VCF(suffix, cvt, element) \
+ void helper_vcf##suffix (ppc_avr_t *r, ppc_avr_t *b, uint32_t uim) \
+ { \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->f); i++) { \
+ float32 t = cvt(b->element[i], &env->vec_status); \
+ r->f[i] = float32_scalbn (t, -uim, &env->vec_status); \
+ } \
+ }
+VCF(ux, uint32_to_float32, u32)
+VCF(sx, int32_to_float32, s32)
+#undef VCF
+
#define VCMP_DO(suffix, compare, element, record) \
void helper_vcmp##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 2c111af..e0cbf45 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6518,6 +6518,8 @@ GEN_VXFORM_NOA(vrfiz, 5, 11);
GEN_VXFORM_UIMM(vspltb, 6, 8);
GEN_VXFORM_UIMM(vsplth, 6, 9);
GEN_VXFORM_UIMM(vspltw, 6, 10);
+GEN_VXFORM_UIMM(vcfux, 5, 12);
+GEN_VXFORM_UIMM(vcfsx, 5, 13);
GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
{
--
1.6.0.5
- [Qemu-devel] [PATCH 00/14] target-ppc: add floating-point AltiVec instructions, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 05/14] Make mtvscr use a helper, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 14/14] Add vrsqrtefp instruction, Nathan Froyd, 2009/01/22
- [Qemu-devel] [PATCH 09/14] Add vcmp{eq,ge,gt,b}fp{,.} instructions, Nathan Froyd, 2009/01/22
- [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 <=
- [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, 2009/01/22