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| author | Paolo Bonzini <bonzini@gnu.org> | 2007-12-10 08:34:37 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2007-12-10 08:34:37 +0000 |
| commit | 32070c7bf2f849e7e03e14d68dc8566c967f4ea3 (patch) | |
| tree | e16f0c424ff346b3113a1caea8704f1d89be709a | |
| parent | ec382b8ca30c83a52b2c1a0d413e334d657cdb23 (diff) | |
| download | gcc-32070c7bf2f849e7e03e14d68dc8566c967f4ea3.zip gcc-32070c7bf2f849e7e03e14d68dc8566c967f4ea3.tar.gz gcc-32070c7bf2f849e7e03e14d68dc8566c967f4ea3.tar.bz2 | |
re PR target/32086 (10% to 20% Performance Regression Between 4.1.3 and 4.3)
2007-12-10 Paolo Bonzini <bonzini@gnu.org>
PR target/32086
* config/i386/i386.c (override_options): Enable -fvect-cost-model.
2007-12-10 Paolo Bonzini <bonzini@gnu.org>
PR target/32086
* gcc.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model.
* g++.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model.
* gfortran.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model.
From-SVN: r130738
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/vect/vect.exp | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect.exp | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/vect/vect.exp | 2 |
6 files changed, 16 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ded5d42..efd2428 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-12-10 Paolo Bonzini <bonzini@gnu.org> + + PR target/32086 + * config/i386/i386.c (override_options): Enable -fvect-cost-model. + 2007-12-10 Uros Bizjak <ubizjak@gmail.com> * config/i386/i386.c (ix86_function_regparm): Ditto. Use REGPARM_MAX diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index ef5b7a9..9d2c144 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -2933,6 +2933,7 @@ optimization_options (int level, int size ATTRIBUTE_UNUSED) flag_omit_frame_pointer = 2; flag_pcc_struct_return = 2; flag_asynchronous_unwind_tables = 2; + flag_vect_cost_model = 1; #ifdef SUBTARGET_OPTIMIZATION_OPTIONS SUBTARGET_OPTIMIZATION_OPTIONS; #endif diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cc4338e..331bdd8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2007-12-10 Paolo Bonzini <bonzini@gnu.org> + + PR target/32086 + * gcc.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model. + * g++.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model. + * gfortran.dg/vect/vect.exp (DEFAULT_VECTCFLAGS): Disable cost model. + 2007-12-09 Jakub Jelinek <jakub@redhat.com> PR c++/34178 diff --git a/gcc/testsuite/g++.dg/vect/vect.exp b/gcc/testsuite/g++.dg/vect/vect.exp index 191a773..05964c6 100644 --- a/gcc/testsuite/g++.dg/vect/vect.exp +++ b/gcc/testsuite/g++.dg/vect/vect.exp @@ -39,7 +39,7 @@ set save-dg-do-what-default ${dg-do-what-default} set DEFAULT_VECTCFLAGS "" # These flags are used for all targets. -lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" \ +lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" "-fno-vect-cost-model" \ "-ftree-vectorizer-verbose=4" "-fdump-tree-vect-stats" # Skip these tests for targets that do not support generating vector diff --git a/gcc/testsuite/gcc.dg/vect/vect.exp b/gcc/testsuite/gcc.dg/vect/vect.exp index 40cb29f..04fbc01 100644 --- a/gcc/testsuite/gcc.dg/vect/vect.exp +++ b/gcc/testsuite/gcc.dg/vect/vect.exp @@ -23,7 +23,7 @@ load_lib gcc-dg.exp set DEFAULT_VECTCFLAGS "" # These flags are used for all targets. -lappend DEFAULT_VECTCFLAGS "-ftree-vectorize" +lappend DEFAULT_VECTCFLAGS "-ftree-vectorize" "-fno-vect-cost-model" # If the target system supports vector instructions, the default action # for a test is 'run', otherwise it's 'compile'. Save current default. diff --git a/gcc/testsuite/gfortran.dg/vect/vect.exp b/gcc/testsuite/gfortran.dg/vect/vect.exp index 74b0644..c48e76f 100644 --- a/gcc/testsuite/gfortran.dg/vect/vect.exp +++ b/gcc/testsuite/gfortran.dg/vect/vect.exp @@ -24,7 +24,7 @@ load_lib target-supports.exp set DEFAULT_VECTCFLAGS "" # These flags are used for all targets. -lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" \ +lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" "-fno-vect-cost-model" \ "-ftree-vectorizer-verbose=4" "-fdump-tree-vect-stats" # If the target system supports vector instructions, the default action |