Message ID | alpine.DEB.2.20.2311220044380.5892@tpp.orcam.me.uk |
---|---|
State | New |
Headers | show |
Series | ARM/testsuite: Use non-capturing parentheses with pr53447-5.c | expand |
On 22/11/2023 01:40, Maciej W. Rozycki wrote: > Use non-capturing parentheses for the subexpressions used with > `scan-assembler-times', to avoid a quirk with double-counting. > > gcc/testsuite/ > * gcc.target/arm/pr53447-5.c: Use non-capturing parentheses with > `scan-assembler-times'. > --- > Hi, > > The `scan-assembler-times' quirk is being fixed with > <https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637254.html > <https://gcc.gnu.org/pipermail/gcc-patches/2023-November/637254.html>>, but > we don't need capturing parentheses here, typically used for back > references, so let's just avoid the quirk altogether and make our matching > here work either way. Cf. commit 88c888f11379 ("pr53447-5.c: Fix test > expectations for neon-fpu."). > > Verified by proof-reading, with a reference to the commit quoted above. > OK to apply? > > Maciej > --- > gcc/testsuite/gcc.target/arm/pr53447-5.c | 8 +++----- > 1 file changed, 3 insertions(+), 5 deletions(-) > > gcc-arm-test-pr53447-5-non-capturing.diff > Index: gcc/gcc/testsuite/gcc.target/arm/pr53447-5.c > =================================================================== > --- gcc.orig/gcc/testsuite/gcc.target/arm/pr53447-5.c > +++ gcc/gcc/testsuite/gcc.target/arm/pr53447-5.c > @@ -15,8 +15,6 @@ void foo(long long* p) > p[9] -= p[10]; > } > > -/* We accept neon instructions vldr.64 and vstr.64 as well. > - Note: DejaGnu counts patterns with alternatives twice, > - so actually there are only 10 loads and 9 stores. */ > -/* { dg-final { scan-assembler-times "(ldrd|vldr\\.64)" 20 } } */ > -/* { dg-final { scan-assembler-times "(strd|vstr\\.64)" 18 } } */ > +/* We accept neon instructions vldr.64 and vstr.64 as well. */ > +/* { dg-final { scan-assembler-times "(?:ldrd|vldr\\.64)" 10 } } */ > +/* { dg-final { scan-assembler-times "(?:strd|vstr\\.64)" 9 } } */ OK. Thanks. R.
Index: gcc/gcc/testsuite/gcc.target/arm/pr53447-5.c =================================================================== --- gcc.orig/gcc/testsuite/gcc.target/arm/pr53447-5.c +++ gcc/gcc/testsuite/gcc.target/arm/pr53447-5.c @@ -15,8 +15,6 @@ void foo(long long* p) p[9] -= p[10]; } -/* We accept neon instructions vldr.64 and vstr.64 as well. - Note: DejaGnu counts patterns with alternatives twice, - so actually there are only 10 loads and 9 stores. */ -/* { dg-final { scan-assembler-times "(ldrd|vldr\\.64)" 20 } } */ -/* { dg-final { scan-assembler-times "(strd|vstr\\.64)" 18 } } */ +/* We accept neon instructions vldr.64 and vstr.64 as well. */ +/* { dg-final { scan-assembler-times "(?:ldrd|vldr\\.64)" 10 } } */ +/* { dg-final { scan-assembler-times "(?:strd|vstr\\.64)" 9 } } */