diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/alpha/memcpy-nested-offset-quad.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/alpha/memcpy-nested-offset-quad.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/alpha/memcpy-nested-offset-quad.c b/gcc/testsuite/gcc.target/alpha/memcpy-nested-offset-quad.c new file mode 100644 index 0000000..1d2227e --- /dev/null +++ b/gcc/testsuite/gcc.target/alpha/memcpy-nested-offset-quad.c @@ -0,0 +1,64 @@ +/* { dg-do compile } */ +/* { dg-options "" } */ +/* { dg-skip-if "" { *-*-* } { "-O0" } } */ + +typedef unsigned int __attribute__ ((mode (DI))) int64_t; +typedef unsigned int __attribute__ ((mode (SI))) int32_t; + +typedef union + { + int32_t l[8]; + } +val; + +typedef struct + { + int32_t l[2]; + val v; + } +tre; + +typedef struct + { + int32_t l[3]; + tre t; + } +due; + +typedef struct + { + val v; + int64_t q; + int32_t l[3]; + due d; + } +uno; + +void +memcpy_nested_offset_quad (uno *u) +{ + u->d.t.v = u->v; +} + +/* Expect assembly such as: + + ldq $4,0($16) + ldq $3,8($16) + ldq $2,16($16) + ldq $1,24($16) + stq $4,72($16) + stq $3,80($16) + stq $2,88($16) + stq $1,96($16) + + that is with four quadword loads at offsets 0, 8, 16, 24 each + and four quadword stores at offsets 72, 80, 88, 96 each. */ + +/* { dg-final { scan-assembler-times "\\sldq\\s\\\$\[0-9\]+,0\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sldq\\s\\\$\[0-9\]+,8\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sldq\\s\\\$\[0-9\]+,16\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sldq\\s\\\$\[0-9\]+,24\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sstq\\s\\\$\[0-9\]+,72\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sstq\\s\\\$\[0-9\]+,80\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sstq\\s\\\$\[0-9\]+,88\\\(\\\$16\\\)\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sstq\\s\\\$\[0-9\]+,96\\\(\\\$16\\\)\\s" 1 } } */ |