From a15a4227e480f4028925c107a105182ab0e7e7cf Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Mon, 21 Jan 2013 19:02:57 +0100 Subject: [PATCH] re PR rtl-optimization/56023 ([alpha] -fcompare-debug failure due to sched1 pass) PR rtl-optimization/56023 * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions, dependent on debug instruction. testsuite/ChangeLog: PR rtl-optimization/56023 * gcc.dg/pr56023.c: New test. From-SVN: r195345 --- gcc/ChangeLog | 6 ++++++ gcc/haifa-sched.c | 3 +++ gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr56023.c | 19 +++++++++++++++++++ 4 files changed, 33 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/pr56023.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d73511d6217..58acfbb9f2d5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-01-21 Uros Bizjak + + PR rtl-optimization/56023 + * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions, + dependent on debug instruction. + 2013-01-21 Martin Jambor Backport from mainline diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index e16561f4cb9c..cc7c0dac42e7 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -3684,6 +3684,9 @@ fix_inter_tick (rtx head, rtx tail) INSN_TICK (head) = tick; } + if (DEBUG_INSN_P (head)) + continue; + FOR_EACH_DEP (head, SD_LIST_RES_FORW, sd_it, dep) { rtx next; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 457de3f23aa9..04748bdb389b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-01-21 Uros Bizjak + + PR rtl-optimization/56023 + * gcc.dg/pr56023.c: New test. + 2013-01-21 Martin Jambor Backport from mainline diff --git a/gcc/testsuite/gcc.dg/pr56023.c b/gcc/testsuite/gcc.dg/pr56023.c new file mode 100644 index 000000000000..f1942ac18c9f --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr56023.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fcompare-debug" } */ + +void +foo (char *c) +{ + unsigned int x = 0; + unsigned int i; + + for (i = 0; c[i]; i++) + { + if (i >= 5 && x != 1) + break; + else if (c[i] == ' ') + x = i; + else if (c[i] == '/' && c[i + 1] != ' ' && i) + x = i + 1; + } +} -- 2.47.2