[Qemu-devel] [6513] Add vcf{u,s}x instructions

[Aurelien Jarno]

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)
 {