diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/alpha/stwa-bwa.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/alpha/stwa-bwa.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/alpha/stwa-bwa.c b/gcc/testsuite/gcc.target/alpha/stwa-bwa.c new file mode 100644 index 0000000..9ee226e2 --- /dev/null +++ b/gcc/testsuite/gcc.target/alpha/stwa-bwa.c @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-options "-mno-bwx -msafe-bwa" } */ +/* { dg-skip-if "" { *-*-* } { "-O0" } } */ + +typedef union + { + int i; + short c; + } +short_a; + +void +stwa (short_a *p, short v) +{ + p->c = v; +} + +/* Expect assembly such as: + + zapnot $17,3,$17 +$L2: + ldl_l $1,0($16) + zapnot $1,252,$1 + bis $17,$1,$1 + stl_c $1,0($16) + beq $1,$L2 + + without any INSWL or MSKWL instructions and without address masking. */ + +/* { dg-final { scan-assembler-times "\\sldl_l\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\sstl_c\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\szapnot\\s\\\$\[0-9\]+,3,\\\$\[0-9\]+\\s" 1 } } */ +/* { dg-final { scan-assembler-times "\\szapnot\\s\\\$\[0-9\]+,252,\\\$\[0-9\]+\\s" 1 } } */ +/* { dg-final { scan-assembler-not "\\sbic\\s\\\$\[0-9\]+,7,\\\$\[0-9\]+\\s" } } */ +/* { dg-final { scan-assembler-not "\\s(?:inswl|mskwl)\\s" } } */ |