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re PR target/79494 (ICE in maybe_record_trace_start, at dwarf2cfi.c:2330) 

PR target/79494
	* config/i386/i386.c (ix86_expand_split_stack_prologue): Call
	make_reg_eh_region_note_nothrow_nononlocal on call_insn.
	* config/rs6000/rs6000.c: Include except.h.
	(rs6000_expand_split_stack_prologue): Call
	make_reg_eh_region_note_nothrow_nononlocal on the call insn.

	* gcc.dg/pr79494.c: New test.

From-SVN: r245629
This commit is contained in:
Jakub Jelinek 2017-02-21 15:39:21 +01:00 committed by Jakub Jelinek
parent 03108bad95
commit 2f3ec56d60
5 changed files with 41 additions and 0 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2017-02-21 Jakub Jelinek <jakub@redhat.com>
PR target/79494
* config/i386/i386.c (ix86_expand_split_stack_prologue): Call
make_reg_eh_region_note_nothrow_nononlocal on call_insn.
* config/rs6000/rs6000.c: Include except.h.
(rs6000_expand_split_stack_prologue): Call
make_reg_eh_region_note_nothrow_nononlocal on the call insn.
2017-02-21 Martin Jambor <mjambor@suse.cz>
PR lto/79579

2
gcc/config/i386/i386.c
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@ -15057,6 +15057,8 @@ ix86_expand_split_stack_prologue (void)
add_function_usage_to (call_insn, call_fusage);
if (!TARGET_64BIT)
add_reg_note (call_insn, REG_ARGS_SIZE, GEN_INT (0));
/* Indicate that this function can't jump to non-local gotos. */
make_reg_eh_region_note_nothrow_nononlocal (as_a <rtx_insn *> (call_insn));
/* In order to make call/return prediction work right, we now need
to execute a return instruction. See

3
gcc/config/rs6000/rs6000.c
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@ -66,6 +66,7 @@
#include "builtins.h"
#include "context.h"
#include "tree-pass.h"
#include "except.h"
#if TARGET_XCOFF
#include "xcoffout.h" /* get declarations of xcoff_*_section_name */
#endif
@ -31680,6 +31681,8 @@ rs6000_expand_split_stack_prologue (void)
split_stack_return use r0. */
use_reg (&call_fusage, r0);
add_function_usage_to (insn, call_fusage);
/* Indicate that this function can't jump to non-local gotos. */
make_reg_eh_region_note_nothrow_nononlocal (insn);
emit_insn (gen_frame_load (r0, r1, info->lr_save_offset));
insn = emit_move_insn (lr, r0);
add_reg_note (insn, REG_CFA_RESTORE, lr);

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-02-21 Jakub Jelinek <jakub@redhat.com>
PR target/79494
* gcc.dg/pr79494.c: New test.
2017-02-21 Segher Boessenkool <segher@kernel.crashing.org>
* gcc.dg/plugin/diagnostic-test-expressions-1.c: Add -Wno-psabi

22
gcc/testsuite/gcc.dg/pr79494.c Normal file
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@ -0,0 +1,22 @@
/* PR target/79494 */
/* { dg-do compile } */
/* { dg-require-effective-target split_stack } */
/* { dg-options "-O2 -fsplit-stack -g" } */
void
foo (int a)
{
__label__ lab;
__attribute__((noinline, noclone)) void bar (int b)
{
switch (b)
{
case 1:
goto lab;
case 2:
goto lab;
}
}
bar (a);
lab:;
}