From bd7519f035e6ceedfb511a07a6d450817681ebcc Mon Sep 17 00:00:00 2001 From: rakdver Date: Thu, 8 Jun 2006 08:17:05 +0000 Subject: [PATCH] PR rtl-optimization/26449 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails. * gcc.dg/pr26449.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114481 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/loop-invariant.c | 5 +++++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr26449.c | 15 +++++++++++++++ 4 files changed, 30 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/pr26449.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6a44f7d..237393d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-06-07 Zdenek Dvorak + + PR rtl-optimization/26449 + * loop-invariant.c (move_invariant_reg): Fail if force_operand fails. + 2006-06-07 Andrew MacLeod PR middle-end/27793 diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index 026af40..cf22949 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -1178,6 +1178,11 @@ move_invariant_reg (struct loop *loop, unsigned invno) { start_sequence (); op = force_operand (SET_SRC (set), reg); + if (!op) + { + end_sequence (); + goto fail; + } if (op != reg) emit_move_insn (reg, op); seq = get_insns (); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3e03145..78cbebc 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-06-07 Zdenek Dvorak + + PR rtl-optimization/26449 + * gcc.dg/pr26449.c: New test. + 2006-06-07 Volker Reichelt PR c++/27601 diff --git a/gcc/testsuite/gcc.dg/pr26449.c b/gcc/testsuite/gcc.dg/pr26449.c new file mode 100644 index 0000000..1a0bdad --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr26449.c @@ -0,0 +1,15 @@ +/* { dg-do compile { target i?86-*-* } } */ +/* { dg-options "-O1 -ftree-vectorize -march=pentium4 -std=c99" } */ + +void matmul_i4 (int bbase_yn, int xcount) +{ + int x; + int * restrict dest_y; + const int * abase_n; + + for (x = 0; x < xcount; x++) + { + dest_y[x] += abase_n[x] * bbase_yn; + } +} + -- 2.7.4