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[Qemu-devel] [6513] Add vcf{u,s}x instructions
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [6513] Add vcf{u,s}x instructions |
Date: |
Wed, 04 Feb 2009 13:52:17 +0000 |
Revision: 6513
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6513
Author: aurel32
Date: 2009-02-04 13:52:17 +0000 (Wed, 04 Feb 2009)
Log Message:
-----------
Add vcf{u,s}x instructions
Signed-off-by: Nathan Froyd <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-ppc/helper.h
trunk/target-ppc/op_helper.c
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h 2009-02-04 13:52:03 UTC (rev 6512)
+++ trunk/target-ppc/helper.h 2009-02-04 13:52:17 UTC (rev 6513)
@@ -236,6 +236,8 @@
DEF_HELPER_2(vrfin, void, avr, avr)
DEF_HELPER_2(vrfip, void, avr, avr)
DEF_HELPER_2(vrfiz, void, 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)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-02-04 13:52:03 UTC (rev 6512)
+++ trunk/target-ppc/op_helper.c 2009-02-04 13:52:17 UTC (rev 6513)
@@ -2160,6 +2160,19 @@
#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) \
{ \
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-02-04 13:52:03 UTC (rev 6512)
+++ trunk/target-ppc/translate.c 2009-02-04 13:52:17 UTC (rev 6513)
@@ -6510,6 +6510,8 @@
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)
{
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