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[committed] Testsuite: Various fixes for nios2.

Message ID f77e55a7-e0bc-98b9-8941-009a3a294a3e@codesourcery.com
State New
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Series [committed] Testsuite: Various fixes for nios2. | expand

Commit Message

Sandra Loosemore Nov. 11, 2021, 2:56 p.m. UTC 
I've pushed the attached patch to clean up some test failures I've seen 
on nios2-elf.  This target defaults to -fno-delete-null-pointer-checks 
so any optimization tests that depend on assumptions that valid pointers 
are non-zero have to be marked explicitly.  The others ought to be 
obvious, except perhaps struct-by-value-1.c which was giving a link 
error about overflowing the small data region without -G0.

My last set of test results were pretty messy but I think almost all of 
the problems are not nios2-specific (e.g., PR103166, PR103163).  I think 
it is better to wait until we're into stage 3 and the churn settles down 
some before I make another pass to triage remaining nios2-specific 
problems, but I might as well check in what I have now instead of 
sitting on it.

-Sandra
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Patch

commit eb43f1a95d1d7a0f88a8107d860e5343507554dd
Author: Sandra Loosemore <sandra@codesourcery.com>
Date:   Thu Nov 11 06:31:02 2021 -0800

    Testsuite:  Various fixes for nios2.
    
    2021-11-11  Sandra Loosemore  <sandra@codesourcery.com>
    
    	gcc/testsuite/
    	* g++.dg/warn/Wmismatched-new-delete-5.C: Add
    	-fdelete-null-pointer-checks.
    	* gcc.dg/attr-returns-nonnull.c: Likewise.
    	* gcc.dg/debug/btf/btf-datasec-1.c: Add -G0 option for nios2.
    	* gcc.dg/ifcvt-4.c: Skip on nios2.
    	* gcc.dg/struct-by-value-1.c: Add -G0 option for nios2.

diff --git a/gcc/testsuite/g++.dg/warn/Wmismatched-new-delete-5.C b/gcc/testsuite/g++.dg/warn/Wmismatched-new-delete-5.C
index 92c75df..bac2b68 100644
--- a/gcc/testsuite/g++.dg/warn/Wmismatched-new-delete-5.C
+++ b/gcc/testsuite/g++.dg/warn/Wmismatched-new-delete-5.C
@@ -1,7 +1,7 @@ 
 /* PR c++/100876 - -Wmismatched-new-delete should either look through
    or ignore placement new
    { dg-do compile }
-   { dg-options "-O2 -Wall" } */
+   { dg-options "-O2 -Wall -fdelete-null-pointer-checks" } */
 
 extern "C" {
   void* malloc (__SIZE_TYPE__);
diff --git a/gcc/testsuite/gcc.dg/attr-returns-nonnull.c b/gcc/testsuite/gcc.dg/attr-returns-nonnull.c
index 22ee30a..e4e20b8 100644
--- a/gcc/testsuite/gcc.dg/attr-returns-nonnull.c
+++ b/gcc/testsuite/gcc.dg/attr-returns-nonnull.c
@@ -1,7 +1,7 @@ 
 /* Verify that attribute returns_nonnull on global and local function
    declarations is merged.
    { dg-do compile }
-   { dg-options "-Wall -fdump-tree-optimized" } */
+   { dg-options "-Wall -fdump-tree-optimized -fdelete-null-pointer-checks" } */
 
 void foo (void);
 
diff --git a/gcc/testsuite/gcc.dg/debug/btf/btf-datasec-1.c b/gcc/testsuite/gcc.dg/debug/btf/btf-datasec-1.c
index f809d93..dbb236b 100644
--- a/gcc/testsuite/gcc.dg/debug/btf/btf-datasec-1.c
+++ b/gcc/testsuite/gcc.dg/debug/btf/btf-datasec-1.c
@@ -12,6 +12,7 @@ 
 /* { dg-do compile )  */
 /* { dg-options "-O0 -gbtf -dA" } */
 /* { dg-options "-O0 -gbtf -dA -msdata=none" { target { { powerpc*-*-* } && ilp32 } } } */
+/* { dg-options "-O0 -gbtf -dA -G0" { target { nios2-*-* } } } */
 
 /* Check for two DATASEC entries with vlen 3, and one with vlen 1.  */
 /* { dg-final { scan-assembler-times "0xf000003\[\t \]+\[^\n\]*btt_info" 2 } } */
diff --git a/gcc/testsuite/gcc.dg/ifcvt-4.c b/gcc/testsuite/gcc.dg/ifcvt-4.c
index e74e449..0525102 100644
--- a/gcc/testsuite/gcc.dg/ifcvt-4.c
+++ b/gcc/testsuite/gcc.dg/ifcvt-4.c
@@ -2,7 +2,7 @@ 
 /* { dg-additional-options "-misel" { target { powerpc*-*-* } } } */
 /* { dg-additional-options "-march=z196" { target { s390x-*-* } } } */
 /* { dg-additional-options "-mtune-ctrl=^one_if_conv_insn" { target { i?86-*-* x86_64-*-* } } } */
-/* { dg-skip-if "Multiple set if-conversion not guaranteed on all subtargets" { "arm*-*-* avr-*-* hppa*64*-*-* s390-*-* visium-*-*" riscv*-*-* msp430-*-* } }  */
+/* { dg-skip-if "Multiple set if-conversion not guaranteed on all subtargets" { "arm*-*-* avr-*-* hppa*64*-*-* s390-*-* visium-*-*" riscv*-*-* msp430-*-* nios2-*-*} }  */
 /* { dg-skip-if "" { "s390x-*-*" } { "-m31" } }  */
 
 typedef int word __attribute__((mode(word)));
diff --git a/gcc/testsuite/gcc.dg/struct-by-value-1.c b/gcc/testsuite/gcc.dg/struct-by-value-1.c
index addf253..ae7adb5 100644
--- a/gcc/testsuite/gcc.dg/struct-by-value-1.c
+++ b/gcc/testsuite/gcc.dg/struct-by-value-1.c
@@ -1,6 +1,7 @@ 
 /* Test structure passing by value.  */
 /* { dg-do run } */
 /* { dg-options "-O2" } */
+/* { dg-options "-O2 -G0" { target { nios2-*-* } } } */
 
 #define T(N)					\
 struct S##N { unsigned char i[N]; };		\