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S/390: Fix PR80725. 

gcc/ChangeLog:

2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80725
	* config/s390/s390.c (s390_check_qrst_address): Check incoming
	address against address_operand predicate.
	* config/s390/s390.md ("*indirect_jump"): Swap alternatives.

gcc/testsuite/ChangeLog:

2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	* gcc.target/s390/pr80725.c: New test.

From-SVN: r248407
This commit is contained in:
Andreas Krebbel 2017-05-24 11:36:54 +00:00 committed by Andreas Krebbel
parent ef4c5e7855
commit 00e0af8d15
5 changed files with 46 additions and 4 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2017-05-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/80725
* config/s390/s390.c (s390_check_qrst_address): Check incoming
address against address_operand predicate.
* config/s390/s390.md ("*indirect_jump"): Swap alternatives.
2017-05-24 Eric Botcazou <ebotcazou@adacore.com>
* var-tracking.c (track_expr_p): Do not return 0 for tracked record

3
gcc/config/s390/s390.c
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@ -3102,6 +3102,9 @@ s390_check_qrst_address (char c, rtx op, bool lit_pool_ok)
struct s390_address addr;
bool decomposed = false;
if (!address_operand (op, GET_MODE (op)))
return 0;
/* This check makes sure that no symbolic address (except literal
pool references) are accepted by the R or T constraints. */
if (s390_loadrelative_operand_p (op, NULL, NULL))

10
gcc/config/s390/s390.md
View File

@ -9660,14 +9660,16 @@
operands[0] = force_reg (Pmode, operands[0]);
})
; The first constraint must be an "extra address constraint" in order
; to trigger address reloading in LRA/reload
(define_insn "*indirect_jump"
[(set (pc)
(match_operand 0 "address_operand" "a,ZR"))]
(match_operand 0 "address_operand" "ZR,a"))]
""
"@
br\t%0
b\t%a0"
[(set_attr "op_type" "RR,RX")
b\t%a0
br\t%0"
[(set_attr "op_type" "RX,RR")
(set_attr "type" "branch")
(set_attr "atype" "agen")
(set_attr "cpu_facility" "*")])

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2017-05-24 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* gcc.target/s390/pr80725.c: New test.
2017-05-23 Nathan Sidwell <nathan@acm.org>
* g++.dg/lookup/extern-c-hidden.C: New.

26
gcc/testsuite/gcc.target/s390/pr80725.c Normal file
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@ -0,0 +1,26 @@
/* Regression test for PR/80725. */
/* { dg-do compile } */
/* { dg-options "-O2 -march=zEC12" } */
int a, e;
const char b;
char c;
const int d;
void bar (short);
void
foo (int x, int y)
{
long f = d;
short g = 0;
while (e)
while (a < x)
{
if (y)
goto *d;
g = b | b + g;
bar (g);
c = (char) (long) foo;
}
}