From c2d1c3ebeb732d6279ed9eeb2c5e0dcb13dfff83 Mon Sep 17 00:00:00 2001 From: vmakarov Date: Thu, 13 Mar 2014 15:52:50 +0000 Subject: [PATCH] 2014-03-13 Vladimir Makarov PR rtl-optimization/57189 * lra-constraints.c (process_alt_operands): Disfavor spilling vector pseudos. 2014-03-13 Vladimir Makarov PR rtl-optimization/57189 * gcc.target/i386/pr57189.c: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208549 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/lra-constraints.c | 13 ++++++++++++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/i386/pr57189.c | 10 ++++++++++ 4 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr57189.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a32702af42a..91b1e41559e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-03-13 Vladimir Makarov + + PR rtl-optimization/57189 + * lra-constraints.c (process_alt_operands): Disfavor spilling + vector pseudos. + 2014-03-13 Cesar Philippidis * lto-wrapper.c (maybe_unlink_file): Suppress diagnostic diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index a38b555b2ab..288e24b4fe1 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2302,9 +2302,20 @@ process_alt_operands (int only_alternative) if (lra_dump_file != NULL) fprintf (lra_dump_file, - " %d Spill pseudo in memory: reject+=3\n", + " %d Spill pseudo into memory: reject+=3\n", nop); reject += 3; + if (VECTOR_MODE_P (mode)) + { + /* Spilling vectors into memory is usually more + costly as they contain big values. */ + if (lra_dump_file != NULL) + fprintf + (lra_dump_file, + " %d Spill vector pseudo: reject+=2\n", + nop); + reject += 2; + } } #ifdef SECONDARY_MEMORY_NEEDED diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 9cdf30dad15..fd7e9795a28 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-03-13 Vladimir Makarov + + PR rtl-optimization/57189 + * gcc.target/i386/pr57189.c: New. + 2014-03-13 Paolo Carlini PR c++/60254 diff --git a/gcc/testsuite/gcc.target/i386/pr57189.c b/gcc/testsuite/gcc.target/i386/pr57189.c new file mode 100644 index 00000000000..389052cd66b --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr57189.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -msse2 -march=k8" } */ +/* { dg-final { scan-assembler-not "movaps" } } */ + +typedef int __v4si __attribute__ ((__vector_size__ (16))); + +int test (__v4si __A) +{ + return __builtin_ia32_vec_ext_v4si (__A, 0); +} -- 2.11.4.GIT