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* [gcc(refs/vendors/redhat/heads/gcc-8-branch)] re PR tree-optimization/86159 (g++ ICE at -O1 and above on valid code: incorrect type of vector CONS
@ 2021-05-14 14:56 Jakub Jelinek
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From: Jakub Jelinek @ 2021-05-14 14:56 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5236c5f5f89e867433e3083c02849ea4cba54ee4
commit 5236c5f5f89e867433e3083c02849ea4cba54ee4
Author: Richard Biener <rguenther@suse.de>
Date: Fri Jun 15 11:08:30 2018 +0000
re PR tree-optimization/86159 (g++ ICE at -O1 and above on valid code: incorrect type of vector CONSTRUCTOR elements)
2018-06-15 Richard Biener <rguenther@suse.de>
PR middle-end/86159
* tree-cfg.c (gimplify_build3): Do not strip sign conversions,
leave useless conversion stripping to force_gimple_operand_gsi.
(gimplify_build2): Likewise.
(gimplify_build1): Likewise.
* g++.dg/pr86159.C: New testcase.
(cherry picked from commit fa6852317327d978d4069175952109505204f6ae)
Diff:
---
gcc/testsuite/g++.dg/pr86159.C | 10 ++++++++++
gcc/tree-cfg.c | 6 ------
2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/gcc/testsuite/g++.dg/pr86159.C b/gcc/testsuite/g++.dg/pr86159.C
new file mode 100644
index 00000000000..83168f50c4a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr86159.C
@@ -0,0 +1,10 @@
+// { dg-do compile }
+// { dg-options "-O -w -Wno-psabi" }
+
+typedef int vec __attribute__((vector_size(32)));
+vec fn1()
+{
+ vec x, zero{};
+ vec one = zero + 1;
+ return x < zero ? one : zero;
+}
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index 445657b0836..84e58e66628 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -9250,8 +9250,6 @@ gimplify_build3 (gimple_stmt_iterator *gsi, enum tree_code code,
location_t loc = gimple_location (gsi_stmt (*gsi));
ret = fold_build3_loc (loc, code, type, a, b, c);
- STRIP_NOPS (ret);
-
return force_gimple_operand_gsi (gsi, ret, true, NULL, true,
GSI_SAME_STMT);
}
@@ -9266,8 +9264,6 @@ gimplify_build2 (gimple_stmt_iterator *gsi, enum tree_code code,
tree ret;
ret = fold_build2_loc (gimple_location (gsi_stmt (*gsi)), code, type, a, b);
- STRIP_NOPS (ret);
-
return force_gimple_operand_gsi (gsi, ret, true, NULL, true,
GSI_SAME_STMT);
}
@@ -9282,8 +9278,6 @@ gimplify_build1 (gimple_stmt_iterator *gsi, enum tree_code code, tree type,
tree ret;
ret = fold_build1_loc (gimple_location (gsi_stmt (*gsi)), code, type, a);
- STRIP_NOPS (ret);
-
return force_gimple_operand_gsi (gsi, ret, true, NULL, true,
GSI_SAME_STMT);
}
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2021-05-14 14:56 [gcc(refs/vendors/redhat/heads/gcc-8-branch)] re PR tree-optimization/86159 (g++ ICE at -O1 and above on valid code: incorrect type of vector CONS Jakub Jelinek
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