| Message ID | 001101cd4d68$9fe2c970$dfa85c50$@Yorsh@arm.com |
|---|---|
| State | New |
| Headers | show |
On 18/06/12 16:40, Greta Yorsh wrote: > This test relies on epilogue generated in RTL to provide register liveness > information that enables peephole optimization. > > OK for trunk? > > Thanks, > Greta > > > 2012-06-18 Joey Ye <Joey.Ye@arm.com> > Greta Yorsh <Greta.Yorsh@arm.com> > > * gcc.target/arm/epilog-1.c: New test. > > > test-epilog-1.patch.txt > > > diff --git a/gcc/testsuite/gcc.target/arm/epilog-1.c b/gcc/testsuite/gcc.target/arm/epilog-1.c > new file mode 100644 > index 0000000..f97f1eb > --- /dev/null > +++ b/gcc/testsuite/gcc.target/arm/epilog-1.c > @@ -0,0 +1,17 @@ > +/* Register liveness information from epilgoue enables peephole optimization. */ > +/* { dg-do compile } */ > +/* { dg-options "-mthumb -Os" } */ > +/* { dg-require-effective-target arm_thumb2_ok } */ > + > +volatile int g_k; > +extern void bar(int, int, int, int); > + > +int foo(int a, int b, int c, int d) > +{ > + if (g_k & 4) c++; > + bar (a, b, c, d); > + return 0; > +} > + > +/* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */ > +/* { dg-final { scan-assembler-not "tst" } } */ OK. R.
diff --git a/gcc/testsuite/gcc.target/arm/epilog-1.c b/gcc/testsuite/gcc.target/arm/epilog-1.c new file mode 100644 index 0000000..f97f1eb --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/epilog-1.c @@ -0,0 +1,17 @@ +/* Register liveness information from epilgoue enables peephole optimization. */ +/* { dg-do compile } */ +/* { dg-options "-mthumb -Os" } */ +/* { dg-require-effective-target arm_thumb2_ok } */ + +volatile int g_k; +extern void bar(int, int, int, int); + +int foo(int a, int b, int c, int d) +{ + if (g_k & 4) c++; + bar (a, b, c, d); + return 0; +} + +/* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */ +/* { dg-final { scan-assembler-not "tst" } } */
This test relies on epilogue generated in RTL to provide register liveness information that enables peephole optimization. OK for trunk? Thanks, Greta 2012-06-18 Joey Ye <Joey.Ye@arm.com> Greta Yorsh <Greta.Yorsh@arm.com> * gcc.target/arm/epilog-1.c: New test.