* config/s390/s390.c (s390_O_constraint_str): Limit the range
for 'On' to -4G+1..-1.
* config/s390/constraints.md: Adjust comment accordingly.
2007-12-12 Andreas Krebbel <krebbel1@de.ibm.com>
* gcc.target/s390/
20071212-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130787
138bc75d-0d04-0410-961f-
82ee72b054a4
+2007-12-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_O_constraint_str): Limit the range
+ for 'On' to -4G+1..-1.
+ * config/s390/constraints.md: Adjust comment accordingly.
+
2007-12-11 Nathan Sidwell <nathan@codesourcery.com>
* config/rs6000/rs6000.c (rs6000_emit_prologue): Use frame_reg_rtx
;; O -- Multiple letter constraint followed by 1 parameter.
;; s: Signed extended immediate value (-2G .. 2G-1).
;; p: Positive extended immediate value (0 .. 4G-1).
-;; n: Negative extended immediate value (-4G .. -1).
+;; n: Negative extended immediate value (-4G+1 .. -1).
;; These constraints do not accept any operand if the machine does
;; not provide the extended-immediate facility.
;; P -- Any integer constant that can be loaded without literal pool.
(define_constraint "On"
"@internal
- Negative extended immediate value (-4G .. -1).
+ Negative extended immediate value (-4G+1 .. -1).
This constraint will only match if the machine provides
the extended-immediate facility."
(and (match_code "const_int")
|| s390_single_part (GEN_INT (value), DImode, SImode, 0) == 1;
case 'n':
- return value == -1
- || s390_single_part (GEN_INT (value), DImode, SImode, -1) == 1;
+ return s390_single_part (GEN_INT (value - 1), DImode, SImode, -1) == 1;
default:
gcc_unreachable ();
+2007-12-12 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * gcc.target/s390/20071212-1.c: New testcase.
+
2007-12-11 Jakub Jelinek <jakub@redhat.com>
PR c++/34238
--- /dev/null
+/* This used to fail due to bug in the On constraint causing a slgfi
+ to be emitted with an immediate not fitting into 32bit. */
+
+/* { dg-do compile } */
+/* { dg-options "-O3 -march=z9-109" } */
+
+long
+foo (long a)
+{
+ return a - (1ULL << 32);
+}