diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/x86-tune-costs.h | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr102543.c | 35 |
2 files changed, 37 insertions, 2 deletions
diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index dd5563d..60d50c9 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -1903,7 +1903,7 @@ struct processor_costs skylake_cost = { {6, 6, 6}, /* cost of storing integer registers */ {6, 6, 6, 10, 20}, /* cost of loading SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ - {8, 8, 8, 12, 24}, /* cost of storing SSE register + {8, 8, 8, 8, 16}, /* cost of storing SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ {6, 6, 6, 10, 20}, /* cost of unaligned loads. */ {8, 8, 8, 8, 16}, /* cost of unaligned stores. */ @@ -2029,7 +2029,7 @@ struct processor_costs icelake_cost = { {6, 6, 6}, /* cost of storing integer registers */ {6, 6, 6, 10, 20}, /* cost of loading SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ - {8, 8, 8, 12, 24}, /* cost of storing SSE register + {8, 8, 8, 8, 16}, /* cost of storing SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ {6, 6, 6, 10, 20}, /* cost of unaligned loads. */ {8, 8, 8, 8, 16}, /* cost of unaligned stores. */ diff --git a/gcc/testsuite/gcc.target/i386/pr102543.c b/gcc/testsuite/gcc.target/i386/pr102543.c new file mode 100644 index 0000000..893eb9a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr102543.c @@ -0,0 +1,35 @@ +/* PR target/102543 */ +/* { dg-do compile } */ +/* { dg-options "-Ofast -march=skylake-avx512 -fdump-tree-optimized" } */ +/* { dg-final { scan-tree-dump-not "MEM\\\[" "optimized" } } */ + +struct a +{ + int a[100]; +}; +typedef struct a misaligned_t __attribute__ ((aligned (8))); +typedef struct a aligned_t __attribute__ ((aligned (32))); + +__attribute__ ((used)) +__attribute__ ((noinline)) +void +t(void *a, int misaligned, aligned_t *d) +{ + int i,v; + for (i=0;i<100;i++) + { + if (misaligned) + v=((misaligned_t *)a)->a[i]; + else + v=((aligned_t *)a)->a[i]; + d->a[i]+=v; + } +} +struct b {int v; misaligned_t m;aligned_t aa;} b; +aligned_t d; +int +main() +{ + t(&b.m, 1, &d); + return 0; +} |