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gcc-4.6: Fix ICE on x86_64 seen during vectorization

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Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
Khem Raj
2012-01-09 23:44:15 +00:00
committed by Koen Kooi
parent d3a451bbd0
commit f2179dabaa
2 changed files with 49 additions and 19 deletions
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66
meta-oe/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106769.patch
View File

@@ -53,7 +53,7 @@
Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/slp-widen-mult-half.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/slp-widen-mult-half.c 2011-09-16 20:32:57.279056697 -0700
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/slp-widen-mult-half.c 2012-01-09 15:03:29.156918805 -0800
@@ -0,0 +1,52 @@
+/* { dg-require-effective-target vect_int } */
+
@@ -110,7 +110,7 @@ Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/slp-widen-mult-half.c
Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half-u8.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half-u8.c 2011-09-16 20:32:57.279056697 -0700
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half-u8.c 2012-01-09 15:03:29.156918805 -0800
@@ -0,0 +1,59 @@
+/* { dg-require-effective-target vect_int } */
+
@@ -174,7 +174,7 @@ Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half-u8.c
Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half.c 2011-09-16 20:32:57.279056697 -0700
+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half.c 2012-01-09 15:03:29.160918806 -0800
@@ -0,0 +1,49 @@
+/* { dg-require-effective-target vect_int } */
+
@@ -227,8 +227,8 @@ Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/vect/vect-widen-mult-half.c
+
Index: gcc-4_6-branch/gcc/tree-vect-loop.c
===================================================================
--- gcc-4_6-branch.orig/gcc/tree-vect-loop.c 2011-09-16 20:31:52.000000000 -0700
+++ gcc-4_6-branch/gcc/tree-vect-loop.c 2011-09-16 20:32:57.289056641 -0700
--- gcc-4_6-branch.orig/gcc/tree-vect-loop.c 2012-01-09 15:02:15.000000000 -0800
+++ gcc-4_6-branch/gcc/tree-vect-loop.c 2012-01-09 15:03:29.160918806 -0800
@@ -181,6 +181,8 @@
stmt_vec_info stmt_info;
int i;
@@ -379,8 +379,8 @@ Index: gcc-4_6-branch/gcc/tree-vect-loop.c
Index: gcc-4_6-branch/gcc/tree-vect-patterns.c
===================================================================
--- gcc-4_6-branch.orig/gcc/tree-vect-patterns.c 2011-09-16 20:31:52.000000000 -0700
+++ gcc-4_6-branch/gcc/tree-vect-patterns.c 2011-09-16 20:32:57.289056641 -0700
--- gcc-4_6-branch.orig/gcc/tree-vect-patterns.c 2012-01-09 15:02:15.000000000 -0800
+++ gcc-4_6-branch/gcc/tree-vect-patterns.c 2012-01-09 15:03:29.160918806 -0800
@@ -39,10 +39,13 @@
#include "diagnostic-core.h"
@@ -930,8 +930,8 @@ Index: gcc-4_6-branch/gcc/tree-vect-patterns.c
fprintf (vect_dump, "=== vect_pattern_recog ===");
Index: gcc-4_6-branch/gcc/tree-vect-slp.c
===================================================================
--- gcc-4_6-branch.orig/gcc/tree-vect-slp.c 2011-09-16 20:31:52.000000000 -0700
+++ gcc-4_6-branch/gcc/tree-vect-slp.c 2011-09-16 20:32:57.289056641 -0700
--- gcc-4_6-branch.orig/gcc/tree-vect-slp.c 2012-01-09 15:02:15.000000000 -0800
+++ gcc-4_6-branch/gcc/tree-vect-slp.c 2012-01-09 15:03:29.160918806 -0800
@@ -152,7 +152,9 @@
if (loop && def_stmt && gimple_bb (def_stmt)
&& flow_bb_inside_loop_p (loop, gimple_bb (def_stmt))
@@ -945,8 +945,8 @@ Index: gcc-4_6-branch/gcc/tree-vect-slp.c
*pattern0 = true;
Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
===================================================================
--- gcc-4_6-branch.orig/gcc/tree-vect-stmts.c 2011-09-16 20:31:52.000000000 -0700
+++ gcc-4_6-branch/gcc/tree-vect-stmts.c 2011-09-16 20:32:57.289056641 -0700
--- gcc-4_6-branch.orig/gcc/tree-vect-stmts.c 2012-01-09 15:02:15.000000000 -0800
+++ gcc-4_6-branch/gcc/tree-vect-stmts.c 2012-01-09 15:06:23.636927250 -0800
@@ -126,33 +126,72 @@
static void
@@ -1007,6 +1007,8 @@ Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
+ pattern that can potentially be vectorized. Don't mark the stmt
+ as relevant/live because it's not going to be vectorized.
+ Instead mark the pattern-stmt that replaces it. */
+
+ pattern_stmt = STMT_VINFO_RELATED_STMT (stmt_info);
- /* This is the last stmt in a sequence that was detected as a
- pattern that can potentially be vectorized. Don't mark the stmt
@@ -1022,8 +1024,6 @@ Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
- save_relevant = STMT_VINFO_RELEVANT (stmt_info);
- save_live_p = STMT_VINFO_LIVE_P (stmt_info);
- stmt = pattern_stmt;
+ pattern_stmt = STMT_VINFO_RELATED_STMT (stmt_info);
+
+ if (vect_print_dump_info (REPORT_DETAILS))
+ fprintf (vect_dump, "last stmt in pattern. don't mark"
+ " relevant/live.");
@@ -1181,11 +1181,11 @@ Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
In basic blocks we only analyze statements that are a part of some SLP
- instance, therefore, all the statements are relevant. */
+ instance, therefore, all the statements are relevant.
+
+ Pattern statement need to be analyzed instead of the original statement
+ if the original statement is not relevant. Otherwise, we analyze both
+ statements. */
+
+ pattern_stmt = STMT_VINFO_RELATED_STMT (stmt_info);
if (!STMT_VINFO_RELEVANT_P (stmt_info)
&& !STMT_VINFO_LIVE_P (stmt_info))
@@ -1222,7 +1222,37 @@ Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
switch (STMT_VINFO_DEF_TYPE (stmt_info))
{
@@ -5605,8 +5687,12 @@
@@ -5074,7 +5156,6 @@
bool is_store = false;
gimple vec_stmt = NULL;
stmt_vec_info stmt_info = vinfo_for_stmt (stmt);
- gimple orig_stmt_in_pattern;
bool done;
switch (STMT_VINFO_TYPE (stmt_info))
@@ -5213,21 +5294,7 @@
}
if (vec_stmt)
- {
STMT_VINFO_VEC_STMT (stmt_info) = vec_stmt;
- orig_stmt_in_pattern = STMT_VINFO_RELATED_STMT (stmt_info);
- if (orig_stmt_in_pattern)
- {
- stmt_vec_info stmt_vinfo = vinfo_for_stmt (orig_stmt_in_pattern);
- /* STMT was inserted by the vectorizer to replace a computation idiom.
- ORIG_STMT_IN_PATTERN is a stmt in the original sequence that
- computed this idiom. We need to record a pointer to VEC_STMT in
- the stmt_info of ORIG_STMT_IN_PATTERN. See more details in the
- documentation of vect_pattern_recog. */
- if (STMT_VINFO_IN_PATTERN_P (stmt_vinfo))
- STMT_VINFO_VEC_STMT (stmt_vinfo) = vec_stmt;
- }
- }
return is_store;
}
@@ -5605,8 +5672,12 @@
|| *dt == vect_nested_cycle)
{
stmt_vec_info stmt_info = vinfo_for_stmt (*def_stmt);
@@ -1238,8 +1268,8 @@ Index: gcc-4_6-branch/gcc/tree-vect-stmts.c
}
Index: gcc-4_6-branch/gcc/tree-vectorizer.h
===================================================================
--- gcc-4_6-branch.orig/gcc/tree-vectorizer.h 2011-09-16 20:31:52.000000000 -0700
+++ gcc-4_6-branch/gcc/tree-vectorizer.h 2011-09-16 20:32:57.299056515 -0700
--- gcc-4_6-branch.orig/gcc/tree-vectorizer.h 2012-01-09 15:02:15.000000000 -0800
+++ gcc-4_6-branch/gcc/tree-vectorizer.h 2012-01-09 15:03:29.164918806 -0800
@@ -890,7 +890,7 @@
/* Pattern recognition functions.
Additional pattern recognition functions can (and will) be added

2
meta-oe/recipes-devtools/gcc/gcc-common-4.6.inc
View File

@@ -1,4 +1,4 @@
# this will prepend this layer to FILESPATH
FILESEXTRAPATHS := "${THISDIR}/gcc-4.6"
PRINC = "3"
PRINC = "4"
ARM_INSTRUCTION_SET = "arm"