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Re: Call to arms: testsuite failures on various targets

From: Tim Prince <tprince at myrealbox dot com>
To: Dorit Nuzman <DORIT at il dot ibm dot com>
Cc: tprince at computer dot org, "fortran at gcc dot gnu dot org List" <fortran at gcc dot gnu dot org>, FX Coudert <fxcoudert at gmail dot com>, gcc at gcc dot gnu dot org
Date: Sat, 14 Apr 2007 09:47:57 -0700
Subject: Re: Call to arms: testsuite failures on various targets
References: <OF2F6EAF45.8BF5620C-ONC22572BD.002D783A-C22572BD.002EAE59@il.ibm.com>
Reply-to: tprince at computer dot org

Dorit Nuzman wrote:

FX Coudert wrote:

Hi all,

I reviewed this afternoon the postings from the gcc-testresults
mailing-list for the past month, and we have a couple of gfortran
testsuite failures showing up on various targets. Could people with
access to said targets (possibly maintainers) please file PRs in
bugzilla for each testcase, reporting the error message and/or
backtrace? (I'd be happy to be added to the Cc list of these)

* ia64-suse-linux-gnu: gfortran.dg/vect/vect-4.f90

FAIL: gfortran.dg/vect/vect-4.f90  -O  scan-tree-dump-times Alignment of
access
forced using peeling 1
FAIL: gfortran.dg/vect/vect-4.f90  -O  scan-tree-dump-times Vectorizing
an unali
gned access 1


These tests should xfail on "vect_no_align" targets. On targets that
support misaligned accesses we use peeling to align two datarefs, and
generate a misaligned memory-access for a third dataref. But on targets
that do not support misaligned accesses I expect we just use versioning
with runtime alignment test. Does the following pass for you (I just added
"{ xfail vect_no_align }" to the two failing tests)?


Index: vect-4.f90
===================================================================
--- vect-4.f90  (revision 123409)
+++ vect-4.f90  (working copy)
@@ -10,7 +10,7 @@
 END

 ! { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } }
-! { dg-final { scan-tree-dump-times "Alignment of access forced using
peeling" 1 "vect" } }
-! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1
"vect" } }
+! { dg-final { scan-tree-dump-times "Alignment of access forced using
peeling" 1 "vect" { xfail vect_no_align } } }
+! { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1
"vect" { xfail vect_no_align } } }
 ! { dg-final { scan-tree-dump-times "accesses have the same alignment." 1
"vect" } }
 ! { dg-final { cleanup-tree-dump "vect" } }

This patch does change those reports to XFAIL (testsuite report attached). I suppose any attempts to optimize for ia64, such as load-pair versioning, would be in the dataflow branch, whose location I don't know.

laST_UPDATED: Obtained from SVN: trunk revision 123799

Native configuration is ia64-unknown-linux-gnu

		=== gcc tests ===


Running target unix
FAIL: gcc.c-torture/execute/mayalias-2.c compilation,  -O3 -g  (internal compiler error)
UNRESOLVED: gcc.c-torture/execute/mayalias-2.c execution,  -O3 -g 
FAIL: gcc.c-torture/execute/mayalias-3.c compilation,  -O3 -g  (internal compiler error)
UNRESOLVED: gcc.c-torture/execute/mayalias-3.c execution,  -O3 -g 
FAIL: gcc.c-torture/execute/va-arg-24.c execution,  -O3 -fomit-frame-pointer -funroll-loops 
FAIL: gcc.c-torture/execute/va-arg-24.c execution,  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions 
FAIL: gcc.dg/builtin-apply4.c execution test
FAIL: gcc.dg/pr30643.c scan-assembler-not undefined
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -O0  compilation failed to produce executable
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -O1  compilation failed to produce executable
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -O2  compilation failed to produce executable
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -O3 -fomit-frame-pointer  compilation failed to produce executable
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -O3 -g  compilation failed to produce executable
WARNING: gcc.dg/torture/fp-int-convert-float128-timode.c  -Os  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -O0  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -O0  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -O1  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -O1  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -O2  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -O2  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -O3 -fomit-frame-pointer  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -O3 -fomit-frame-pointer  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -O3 -g  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -O3 -g  compilation failed to produce executable
FAIL: gcc.dg/torture/fp-int-convert-float128.c  -Os  (test for excess errors)
WARNING: gcc.dg/torture/fp-int-convert-float128.c  -Os  compilation failed to produce executable
XPASS: gcc.dg/tree-ssa/loop-1.c scan-assembler-times foo 5
XPASS: gcc.dg/tree-ssa/update-threading.c scan-tree-dump-times Invalid sum 0
FAIL: gcc.dg/vect/pr30771.c scan-tree-dump-times vectorized 1 loops 1
FAIL: gcc.dg/vect/vect-iv-4.c scan-tree-dump-times vectorized 1 loops 1
FAIL: gcc.dg/vect/vect-iv-9.c scan-tree-dump-times vectorized 1 loops 2
FAIL: gcc.dg/vect/vect-reduc-dot-s16b.c scan-tree-dump-times vectorized 1 loops 0
FAIL: gcc.dg/vect/vect-reduc-dot-u16b.c scan-tree-dump-times vectorized 1 loops 1
FAIL: gcc.dg/vect/vect-reduc-pattern-1a.c scan-tree-dump-times vectorized 1 loops 0
FAIL: gcc.dg/vect/vect-reduc-pattern-1c.c scan-tree-dump-times vectorized 1 loops 0
FAIL: gcc.dg/vect/vect-reduc-pattern-2a.c scan-tree-dump-times vectorized 1 loops 0
FAIL: gcc.dg/vect/vect-widen-mult-u16.c scan-tree-dump-times vectorized 1 loops 1
FAIL: gcc.dg/vect/wrapv-vect-reduc-pattern-2c.c scan-tree-dump-times vectorized 1 loops 0
FAIL: gcc.dg/vect/no-section-anchors-vect-69.c scan-tree-dump-times Alignment of access forced using peeling 3

		=== gcc Summary ===

# of expected passes		42231
# of unexpected failures	23
# of unexpected successes	2
# of expected failures		155
# of unresolved testcases	2
# of untested testcases		28
# of unsupported tests		374
/home/tim/src/gcc-4.3-20070413/ia64/gcc/xgcc  version 4.3.0 20070413 (experimental)

		=== gfortran tests ===


Running target unix

		=== gfortran Summary ===

# of expected passes		17438
# of expected failures		13
# of unsupported tests		20
/home/tim/src/gcc-4.3-20070413/ia64/gcc/testsuite/gfortran/../../gfortran  version 4.3.0 20070413 (experimental)

		=== g++ tests ===


Running target unix
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn
FAIL: g++.dg/tree-prof/indir-call-prof.C scan-tree-dump Indirect call -> direct call.* AA transformation on insn

		=== g++ Summary ===

# of expected passes		13739
# of unexpected failures	7
# of expected failures		79
# of unsupported tests		119
/home/tim/src/gcc-4.3-20070413/ia64/gcc/testsuite/g++/../../g++  version 4.3.0 20070413 (experimental)

		=== objc tests ===


Running target unix

		=== objc Summary ===

# of expected passes		1810
# of expected failures		7
# of unsupported tests		25
/home/tim/src/gcc-4.3-20070413/ia64/gcc/xgcc  version 4.3.0 20070413 (experimental)

		=== libgomp tests ===


Running target unix

		=== libgomp Summary ===

# of expected passes		1566
		=== libstdc++ tests ===


Running target unix
XPASS: 26_numerics/headers/cmath/c99_classification_macros_c.cc (test for excess errors)
XPASS: 27_io/fpos/14320-1.cc execution test

		=== libstdc++ Summary ===

# of expected passes		4859
# of unexpected successes	2
# of expected failures		27

Compiler version: 4.3.0 20070413 (experimental) 
Platform: ia64-unknown-linux-gnu
configure flags: --enable-languages='c c++ fortran objc' --enable-bootstrap --enable-maintainer-mode --disable-libmudflap --prefix=/usr/local/gcc43
EOF
Mail -s "Results for 4.3.0 20070413 (experimental) testsuite on ia64-unknown-linux-gnu" gcc-testresults@gcc.gnu.org &&

Follow-Ups:
- Re: Call to arms: testsuite failures on various targets
  - From: Dorit Nuzman

References:
- Re: Call to arms: testsuite failures on various targets
  - From: Dorit Nuzman

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