From 86a0f64291720469505a83812911c07ab7a2453f Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 6 Oct 2006 09:15:48 +0200 Subject: [PATCH] re PR c/29091 (vector constant not fully outputed) PR c/29091 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than the number of vector elements fill the rest with zeros. * gcc.dg/pr29091.c: New test. From-SVN: r117481 --- gcc/ChangeLog | 6 +++++ gcc/testsuite/ChangeLog | 5 ++++ gcc/testsuite/gcc.dg/pr29091.c | 44 ++++++++++++++++++++++++++++++++++ gcc/varasm.c | 6 ++++- 4 files changed, 60 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/pr29091.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3ae2d25f34a..3eaecfedff3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-10-06 Jakub Jelinek + + PR c/29091 + * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than + the number of vector elements fill the rest with zeros. + 2006-10-05 Richard Sandiford * config/mips/mips.c (mips_pass_by_reference): Do not return false diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 31ba8d4b03b..7fb74e74363 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-10-06 Jakub Jelinek + + PR c/29091 + * gcc.dg/pr29091.c: New test. + 2006-10-06 Joseph Myers * lib/target-supports.exp diff --git a/gcc/testsuite/gcc.dg/pr29091.c b/gcc/testsuite/gcc.dg/pr29091.c new file mode 100644 index 00000000000..6e06c63dad2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr29091.c @@ -0,0 +1,44 @@ +/* PR c/29091 */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +extern void abort (void); + +__attribute__ ((vector_size (sizeof (int) * 4))) int a = { 1, 2 }; +int d = 3; +__attribute__ ((vector_size (sizeof (int) * 4))) int b = { 4, 5, 6 }; +int e = 7; +__attribute__ ((vector_size (sizeof (int) * 4))) int c = { }; + +int +main (void) +{ + int *p = (int *) &a; + if (p[0] != 1) + abort (); + if (p[1] != 2) + abort (); + if (p[2] != 0) + abort (); + if (p[3] != 0) + abort (); + p = (int *) &b; + if (p[0] != 4) + abort (); + if (p[1] != 5) + abort (); + if (p[2] != 6) + abort (); + if (p[3] != 0) + abort (); + p = (int *) &c; + if (p[0] != 0) + abort (); + if (p[1] != 0) + abort (); + if (p[2] != 0) + abort (); + if (p[3] != 0) + abort (); + return 0; +} diff --git a/gcc/varasm.c b/gcc/varasm.c index ff3e443ef2c..d14dc7018c8 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -4403,8 +4403,12 @@ output_constant (tree exp, unsigned HOST_WIDE_INT size, unsigned int align) link = TREE_VECTOR_CST_ELTS (exp); output_constant (TREE_VALUE (link), elt_size, align); + thissize = elt_size; while ((link = TREE_CHAIN (link)) != NULL) - output_constant (TREE_VALUE (link), elt_size, nalign); + { + output_constant (TREE_VALUE (link), elt_size, nalign); + thissize += elt_size; + } break; } default: -- 2.30.2