kraiskil

Breaking gdb:
#echo 'q' | gdb --annotate=2 | hexdump -c
0000000   G   N   U       g   d   b       (   U   b   u   n   t   u    
0000010   7   .   7   -   0   u   b   u   n   t   u   3   .   1   )    
0000020   7   .   7  \n   C   o   p   y   r   i   g   h   t       (   C
0000030   )       2   0   1   4       F   r   e   e       S   o   f   t
0000040   w   a   r   e       F   o   u   n   d   a   t   i   o   n   ,
0000050       I   n   c   .  \n   L   i   c   e   n   s   e       G   P
0000060   L   v   3   +   :       G   N   U       G   P   L       v   e
0000070   r   s   i   o   n       3       o   r       l   a   t   e   r

kraiskil

diff --git a/geomfunc.h b/geomfunc.h
index 6f2fde3..19ef462 100644
--- a/geomfunc.h
+++ b/geomfunc.h
@@ -29,7 +29,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #ifndef SMALLPT_GPU
 
-static float SphereIntersect(
+float SphereIntersect(

kraiskil

__attribute__((aligned(128)))
__constant char data[128];
kernel void test_as_type()
{
  char aligner[0x70];
  union { uint16 value; char raw[sizeof(uint16)]; } src;

  printf("data@ %x\n", data);
  printf("src@ %x\n", &src);
  printf("aligner@ %x\n", aligner);

kraiskil

        .file   "test-avx.c"
        .text
        .globl  add
        .align  16, 0x90
        .type   add,@function
add:                                    # @add
        .cfi_startproc
# BB#0:                                 # %entry
        vaddpd  %ymm1, %ymm0, %ymm0
        ret

kraiskil

#!/bin/bash
clang -emit-llvm -S -march=$1 select.cl -o select.ll
clang -march=$1 select.c select.ll -o select
./select