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;
+ }
+
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