+2010-06-09 Martin Jambor <mjambor@suse.cz>
+
+ 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 <amylaar@spamcop.net>
PR testsuite/42843
--- /dev/null
+/* { 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" } } */
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,
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;