| Message ID | 9581571d-08e1-576b-d53a-90a0fd3ce516@suse.cz |
|---|---|
| State | New |
| Headers | show |
| Series | GCC 11 backports | expand |
On 8/16/21 13:13, Martin Liška wrote: > I'm going to apply the following 3 tested patches. > > Martin One more patch I've just tested. Martin
On 8/23/21 10:54, Martin Liška wrote: > On 8/16/21 13:13, Martin Liška wrote: >> I'm going to apply the following 3 tested patches. >> >> Martin > > One more patch I've just tested. > > Martin And one more backport. Martin
On 11/5/21 17:08, Martin Liška wrote: > On 8/23/21 10:54, Martin Liška wrote: >> On 8/16/21 13:13, Martin Liška wrote: >>> I'm going to apply the following 3 tested patches. >>> >>> Martin >> >> One more patch I've just tested. >> >> Martin > > And one more backport. > > Martin One more tested patch. Martin
On 11/8/21 13:26, Martin Liška wrote: > On 11/5/21 17:08, Martin Liška wrote: >> On 8/23/21 10:54, Martin Liška wrote: >>> On 8/16/21 13:13, Martin Liška wrote: >>>> I'm going to apply the following 3 tested patches. >>>> >>>> Martin >>> >>> One more patch I've just tested. >>> >>> Martin >> >> And one more backport. >> >> Martin > > One more tested patch. > > Martin And one more tested patch. Martin
On 12/16/21 12:46, Martin Liška wrote: > On 11/8/21 13:26, Martin Liška wrote: >> On 11/5/21 17:08, Martin Liška wrote: >>> On 8/23/21 10:54, Martin Liška wrote: >>>> On 8/16/21 13:13, Martin Liška wrote: >>>>> I'm going to apply the following 3 tested patches. >>>>> >>>>> Martin >>>> >>>> One more patch I've just tested. >>>> >>>> Martin >>> >>> And one more backport. >>> >>> Martin >> >> One more tested patch. >> >> Martin > > And one more tested patch. > > Martin One more patch. Martin
From 5b1bcb10b2cc6c93b06d22da0a044a6a6f362f0b Mon Sep 17 00:00:00 2001 From: Martin Liska <mliska@suse.cz> Date: Fri, 13 Aug 2021 12:35:47 +0200 Subject: [PATCH 3/3] ipa: ICF should check SSA_NAME_IS_DEFAULT_DEF PR ipa/100600 gcc/ChangeLog: * ipa-icf-gimple.c (func_checker::compare_ssa_name): Do not consider equal SSA_NAMEs when one is a param. gcc/testsuite/ChangeLog: * gcc.dg/ipa/pr100600.c: New test. --- gcc/ipa-icf-gimple.c | 3 +++ gcc/testsuite/gcc.dg/ipa/pr100600.c | 22 ++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/ipa/pr100600.c diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c index edf5f025627..cf0262621be 100644 --- a/gcc/ipa-icf-gimple.c +++ b/gcc/ipa-icf-gimple.c @@ -96,6 +96,9 @@ func_checker::compare_ssa_name (const_tree t1, const_tree t2) unsigned i1 = SSA_NAME_VERSION (t1); unsigned i2 = SSA_NAME_VERSION (t2); + if (SSA_NAME_IS_DEFAULT_DEF (t1) != SSA_NAME_IS_DEFAULT_DEF (t2)) + return false; + if (m_source_ssa_names[i1] == -1) m_source_ssa_names[i1] = i2; else if (m_source_ssa_names[i1] != (int) i2) diff --git a/gcc/testsuite/gcc.dg/ipa/pr100600.c b/gcc/testsuite/gcc.dg/ipa/pr100600.c new file mode 100644 index 00000000000..8a3d0e16e7e --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/pr100600.c @@ -0,0 +1,22 @@ +/* PR ipa/100600 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +int a, b, c; +long d(long x, long e, long f, long g) { + long h, i; + for (; h < e; h++) { + i = f; + for (; i < g; i++) + c = b + a; + } + return h + i; +} + +long j(long x, long e, long y, long g) { + long h, i; + for (; h < e; h++) + for (; i < g; i++) + c = b + a; + return h + i; +} -- 2.32.0