From: Prathamesh Kulkarni Date: Fri, 20 May 2016 09:39:32 +0000 (+0000) Subject: Add test-cases mentioned in r236502. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5b17a01caa4e85f6ed8370ad4325774ecd48803e;p=gcc.git Add test-cases mentioned in r236502. From-SVN: r236503 --- diff --git a/gcc/testsuite/gcc.dg/vect/section-anchors-vect-70.c b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-70.c new file mode 100644 index 00000000000..7010a52b58d --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-70.c @@ -0,0 +1,33 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target section_anchors } */ +/* { dg-require-effective-target vect_int } */ + +#define N 32 + +/* Increase alignment of struct if an array's offset is multiple of alignment of + vector type corresponding to it's scalar type. + For the below test-case: + offsetof(e) == 8 bytes. + i) For arm: let x = alignment of vector type corresponding to int, + x == 8 bytes. + Since offsetof(e) % x == 0, set DECL_ALIGN(a, b, c) to x. + ii) For aarch64, ppc: x == 16 bytes. + Since offsetof(e) % x != 0, don't increase alignment of a, b, c. +*/ + +static struct A { + int p1, p2; + int e[N]; +} a, b, c; + +int foo(void) +{ + for (int i = 0; i < N; i++) + a.e[i] = b.e[i] + c.e[i]; + + return a.e[0]; +} + +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target aarch64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target powerpc64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 3 "increase_alignment" { target arm*-*-* } } } */ diff --git a/gcc/testsuite/gcc.dg/vect/section-anchors-vect-71.c b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-71.c new file mode 100644 index 00000000000..7cbd1dcf304 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-71.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target section_anchors } */ +/* { dg-require-effective-target vect_int } */ + +/* Should not increase alignment of the struct because + sizeof (A.e) < sizeof(corresponding vector type). */ + +#define N 3 + +static struct A { + int p1, p2; + int e[N]; +} a, b, c; + +int foo(void) +{ + for (int i = 0; i < N; i++) + a.e[i] = b.e[i] + c.e[i]; + + return a.e[0]; +} + +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target aarch64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target powerpc64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target arm*-*-* } } } */ diff --git a/gcc/testsuite/gcc.dg/vect/section-anchors-vect-72.c b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-72.c new file mode 100644 index 00000000000..873fabe9f52 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/section-anchors-vect-72.c @@ -0,0 +1,29 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target section_anchors } */ +/* { dg-require-effective-target vect_int } */ + +#define N 32 + +/* Clone of section-anchors-vect-70.c having nested struct. */ + +struct S +{ + int e[N]; +}; + +static struct A { + int p1, p2; + struct S s; +} a, b, c; + +int foo(void) +{ + for (int i = 0; i < N; i++) + a.s.e[i] = b.s.e[i] + c.s.e[i]; + + return a.s.e[0]; +} + +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target aarch64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 0 "increase_alignment" { target powerpc64*-*-* } } } */ +/* { dg-final { scan-ipa-dump-times "Increasing alignment of decl" 3 "increase_alignment" { target arm*-*-* } } } */