From: jamborm Date: Wed, 9 Jun 2010 11:20:03 +0000 (+0000) Subject: 2010-06-09 Martin Jambor X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa0fdf438de4858413021125361f95dac226f62c;p=thirdparty%2Fgcc.git 2010-06-09 Martin Jambor PR tree-optimization/44423 * tree-sra.c (dump_access): Dump also grp_assignment_read. (analyze_access_subtree): Pass negative allow_replacements to children if the current type is scalar. * testsuite/gcc.dg/tree-ssa/pr44423.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160462 138bc75d-0d04-0410-961f-82ee72b054a4 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a1d7c0d8fa49..a66edd0bc0cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2010-06-09 Martin Jambor + + PR tree-optimization/44423 + * tree-sra.c (dump_access): Dump also grp_assignment_read. + (analyze_access_subtree): Pass negative allow_replacements to children + if the current type is scalar. + 2010-06-09 Joern Rennecke PR testsuite/42843 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a17f5aeee16c..6d4b6f19a00a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-06-09 Martin Jambor + + PR tree-optimization/44423 + * gcc.dg/tree-ssa/pr44423.c: New test. + 2010-06-09 Joern Rennecke PR testsuite/42843 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr44423.c b/gcc/testsuite/gcc.dg/tree-ssa/pr44423.c new file mode 100644 index 000000000000..6232d64963ad --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr44423.c @@ -0,0 +1,47 @@ +/* { dg-do compile { target x86_64-*-* } } */ +/* { dg-options "-O2 -fdump-tree-esra-details" } */ + +#include "xmmintrin.h" + +typedef __m128 v4sf; // vector of 4 floats (SSE1) + +#define ARRSZ 1024 + +typedef union { + float f[4]; + v4sf v; +} V4SF; + +struct COLOUR { + float r,g,b; +}; + +void func (float *pre1, float pre2, struct COLOUR *a, V4SF *lpic) + { + V4SF va; + int y; + va.f[0]=a->r;va.f[1]=a->g;va.f[2]=a->b;va.f[3]=0.f; + for (y=0; y<20; ++y) + { + float att = pre1[y]*pre2; + v4sf tmpatt=_mm_load1_ps(&att); + tmpatt=_mm_mul_ps(tmpatt,va.v); + lpic[y].v=_mm_add_ps(tmpatt,lpic[y].v); + } + } + +int main() + { + V4SF lpic[ARRSZ]; + float pre1[ARRSZ]; + int i; + struct COLOUR col={0.,2.,4.}; + for (i=0; i<20; ++i) + pre1[i]=0.4; + for (i=0;i<10000000;++i) + func(&pre1[0],0.3,&col,&lpic[0]); + return 0; + } + +/* { dg-final { scan-tree-dump-times "Created a replacement" 0 "esra"} } */ +/* { dg-final { cleanup-tree-dump "esra" } } */ diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index 702187c355d6..5387a196930a 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -356,13 +356,13 @@ dump_access (FILE *f, struct access *access, bool grp) print_generic_expr (f, access->type, 0); if (grp) fprintf (f, ", grp_write = %d, total_scalarization = %d, " - "grp_read = %d, grp_hint = %d, " + "grp_read = %d, grp_hint = %d, grp_assignment_read = %d," "grp_covered = %d, grp_unscalarizable_region = %d, " "grp_unscalarized_data = %d, grp_partial_lhs = %d, " "grp_to_be_replaced = %d, grp_maybe_modified = %d, " "grp_not_necessarilly_dereferenced = %d\n", access->grp_write, access->total_scalarization, - access->grp_read, access->grp_hint, + access->grp_read, access->grp_hint, access->grp_assignment_read, access->grp_covered, access->grp_unscalarizable_region, access->grp_unscalarized_data, access->grp_partial_lhs, access->grp_to_be_replaced, access->grp_maybe_modified, @@ -1791,7 +1791,8 @@ analyze_access_subtree (struct access *root, bool allow_replacements, else covered_to += child->size; - sth_created |= analyze_access_subtree (child, allow_replacements, + sth_created |= analyze_access_subtree (child, + allow_replacements && !scalar, mark_read, mark_write); root->grp_unscalarized_data |= child->grp_unscalarized_data;