[llvm-commits] CVS: llvm-test/SingleSource/UnitTests/Vector/Altivec/Makefile test1.c

[Chris Lattner]

Changes in directory llvm-test/SingleSource/UnitTests/Vector/Altivec:

Makefile added (r1.1)
test1.c added (r1.1)
---
Log message:

Add an altivec-specific test for altivec intrinsics



---
Diffs of the changes:  (+64 -0)

 Makefile |    8 ++++++++
 test1.c  |   56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)


Index: llvm-test/SingleSource/UnitTests/Vector/Altivec/Makefile
diff -c /dev/null llvm-test/SingleSource/UnitTests/Vector/Altivec/Makefile:1.1
*** /dev/null	Sun Mar 26 23:54:15 2006
--- llvm-test/SingleSource/UnitTests/Vector/Altivec/Makefile	Sun Mar 26 23:54:05 2006
***************
*** 0 ****
--- 1,8 ----
+ # SingleSource/UnitTests/Vector/Altivec/Makefile
+ 
+ DIRS = 
+ LEVEL = ../../../..
+ include $(LEVEL)/SingleSource/Makefile.singlesrc
+ 
+ TARGET_CFLAGS += -maltivec
+ LCCFLAGS += -maltivec


Index: llvm-test/SingleSource/UnitTests/Vector/Altivec/test1.c
diff -c /dev/null llvm-test/SingleSource/UnitTests/Vector/Altivec/test1.c:1.1
*** /dev/null	Sun Mar 26 23:54:18 2006
--- llvm-test/SingleSource/UnitTests/Vector/Altivec/test1.c	Sun Mar 26 23:54:05 2006
***************
*** 0 ****
--- 1,56 ----
+ #include <stdio.h>
+ #include <altivec.h>
+ 
+ #if 0
+ vector float func(vector float vi){
+ #else
+ void func(vector float *arg){
+     vector float vi = *arg;
+ #endif
+     vector float vzero = {0.0f, 0.0f, 0.0f, 0.0f};
+     vector float vres;
+     vector int vmask;
+ 
+     vmask = vec_sld(vec_splat_s32(0), vec_splat_s32(-1), 4);
+     vi    = vec_sel(vi, vzero, (vector unsigned int)vmask);      /* (x, y, z, 0) */
+     vres  = vec_madd(vi, vi, vzero);        /* (x^2, y^2, z^2, 0) */
+     if(vec_all_eq(vres, vzero)) /* Is squared vec equal to the zero vec? */
+     {
+         vres = vec_ctf(vec_sld(vmask, vmask, 4), 0);    /* return (0 0 -1 0) */
+     }
+     else
+     {
+         vector float vtmp;
+         vtmp = vec_sld(vres, vres, 4);
+         vtmp = vec_add(vtmp, vres);     /* (x^2 + y^2, y^2 + z^2, z^2, x^2) */
+         vtmp = vec_sld(vtmp, vtmp, 8);  /* (z^2, x^2, x^2 + y^2, y^2 + z^2) */
+         vtmp = vec_add(vtmp, vres);     /* (x^2 + z^2, x^2 + y^2, x^2 + y^2 + z^2, y^2 + z^2) */
+         vtmp = vec_splat(vtmp, 2);
+         vtmp = vec_rsqrte(vtmp);
+         vres = vec_madd(vtmp, vi, vzero);
+     }
+ #if 0
+         return vres;
+ #else
+ 	*arg = vres;
+ #endif
+ }
+ 
+ int main(int argc, char *argv[])
+ {        vector float v = {0.0f, 3.0f, 1.0f, 4.0f};
+         float f[4];
+ #if 0
+         v = func(v);
+ #else
+ 	func(&v);
+ #endif
+         f[0] = ((float *) &v)[0];
+         f[1] = ((float *) &v)[1];
+         f[2] = ((float *) &v)[2];
+         f[3] = ((float *) &v)[3];
+ 
+         printf("[%f %f %f %f]\n", f[0], f[1], f[2], f[3]);
+ 
+         return 0;
+ }
+