gcc/testsuite/gcc.target/epiphany/t1068-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-common" } */
   3 /* ??? we should be able to get down to 4 movt, but first we'll have to
   4    teach mov2add about flag handling.  Maybe add the code that was removed in
   5    r144425 from regmove to postreload; epiphany needs tweaks to the addsi3
   6    expander to generate a CC reg clobber in the pass.  */
   7 /* { dg-final { scan-assembler-times "movt" 6 } } */
   8
   9 typedef unsigned int uint32_t;
  10 typedef unsigned int uint16_t;
  11
  12 struct dma_desc {
  13    uint32_t config;
  14    uint32_t inner_stride;
  15    uint32_t count;
  16    uint32_t outer_stride;
  17    void *src_addr;
  18    void *dst_addr;
  19 };
  20 typedef struct dma_desc e_dma_desc_t;
  21
  22 e_dma_desc_t dma;
  23 int a;
  24 int id[8];
  25 #define NULL ((void *)0)
  26
  27 static inline void _ez_dma_set(register e_dma_desc_t  *dma,
  28                 uint32_t config,
  29                 e_dma_desc_t *next,
  30                 uint16_t inner_src, uint16_t inner_dst,
  31                 uint16_t inner_count, uint16_t outer_count,
  32                 uint16_t outer_src, uint16_t outer_dst,
  33                 void *src, void*dst) {
  34    //register e_dma_desc_t *dmap = dma;
  35
  36    dma->config = config | (((uint32_t)next)<<16);
  37    dma->inner_stride = (inner_dst << 16) | inner_src;
  38    dma->count = (inner_count << 16) | outer_count;
  39    dma->outer_stride = (outer_dst << 16) | outer_src;
  40    dma->src_addr = src;
  41    dma->dst_addr = dst;
  42 }
  43
  44 void __attribute__((section(".text.ds1")))
  45 dmas_inline1(void) {
  46    register e_dma_desc_t *dmap = &dma;
  47
  48    _ez_dma_set(dmap, 3, NULL,
  49           1, 2,
  50           12, 13,
  51           5, 1,
  52           id, &a);
  53 }