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authorKaushik Phatak <kaushik.phatak@kpitcummins.com>2010-12-14 07:03:36 +0000
committerKaushik Phatak <kaushikp@gcc.gnu.org>2010-12-14 07:03:36 +0000
commitc7e1fa82502f98b4ac9c6e576345debf6b56a654 (patch)
treecfe83b6fc75607a40ae5d0b6130f56d104b7fde4 /gcc
parent05d556e8371b90c5de4175aa737a7ad83726eeee (diff)
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h8300.md (define_split): Add condition for "and with single_zero" splitter to handle 16-bit const operands.
* config/h8300/h8300.md (define_split) : Add condition for "and with single_zero" splitter to handle 16-bit const operands. * config/h8300/h8300.md (define_split) : Add condition for "ior with single_one" splitter to handle 16-bit const operands. * config/h8300/h8300.md (define_split) : Add condition for "xor with single_one" splitter to handle 16-bit const operands. * testsuite/gcc.dg/h8300-bit-insn-ice.c: New. From-SVN: r167789
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog10
-rw-r--r--gcc/config/h8300/h8300.md39
-rw-r--r--gcc/testsuite/gcc.dg/h8300-bit-insn-ice.c39
3 files changed, 82 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9b20492..8d03fce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2010-12-14 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
+
+ * config/h8300/h8300.md (define_split) : Add condition for
+ "and with single_zero" splitter to handle 16-bit const operands.
+ * config/h8300/h8300.md (define_split) : Add condition for
+ "ior with single_one" splitter to handle 16-bit const operands.
+ * config/h8300/h8300.md (define_split) : Add condition for
+ "xor with single_one" splitter to handle 16-bit const operands.
+ * testsuite/gcc.dg/h8300-bit-insn-ice.c: New.
+
2010-12-13 Jan Hubicka <jh@suse.cz>
PR middle-end/45388
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 513ad4c..21ab391 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -1779,8 +1779,17 @@
(and:QI (match_dup 1)
(match_dup 2)))]
{
- operands[0] = adjust_address (operands[0], QImode, 1);
- operands[1] = adjust_address (operands[1], QImode, 1);
+ if (abs (INTVAL (operands[2])) > 0xFF)
+ {
+ operands[0] = adjust_address (operands[0], QImode, 0);
+ operands[1] = adjust_address (operands[1], QImode, 0);
+ operands[2] = GEN_INT ((INTVAL (operands[2])) >> 8);
+ }
+ else
+ {
+ operands[0] = adjust_address (operands[0], QImode, 1);
+ operands[1] = adjust_address (operands[1], QImode, 1);
+ }
})
(define_insn "bclrhi_msx"
@@ -1910,8 +1919,17 @@
(ior:QI (match_dup 1)
(match_dup 2)))]
{
- operands[0] = adjust_address (operands[0], QImode, 1);
- operands[1] = adjust_address (operands[1], QImode, 1);
+ if (abs (INTVAL (operands[2])) > 0xFF)
+ {
+ operands[0] = adjust_address (operands[0], QImode, 0);
+ operands[1] = adjust_address (operands[1], QImode, 0);
+ operands[2] = GEN_INT ((INTVAL (operands[2])) >> 8);
+ }
+ else
+ {
+ operands[0] = adjust_address (operands[0], QImode, 1);
+ operands[1] = adjust_address (operands[1], QImode, 1);
+ }
})
(define_insn "bsethi_msx"
@@ -1976,8 +1994,17 @@
(xor:QI (match_dup 1)
(match_dup 2)))]
{
- operands[0] = adjust_address (operands[0], QImode, 1);
- operands[1] = adjust_address (operands[1], QImode, 1);
+ if (abs (INTVAL (operands[2])) > 0xFF)
+ {
+ operands[0] = adjust_address (operands[0], QImode, 0);
+ operands[1] = adjust_address (operands[1], QImode, 0);
+ operands[2] = GEN_INT ((INTVAL (operands[2])) >> 8);
+ }
+ else
+ {
+ operands[0] = adjust_address (operands[0], QImode, 1);
+ operands[1] = adjust_address (operands[1], QImode, 1);
+ }
})
(define_insn "bnothi_msx"
diff --git a/gcc/testsuite/gcc.dg/h8300-bit-insn-ice.c b/gcc/testsuite/gcc.dg/h8300-bit-insn-ice.c
new file mode 100644
index 0000000..442dc4b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/h8300-bit-insn-ice.c
@@ -0,0 +1,39 @@
+/* { dg-skip-if "" { "h8300*-*-*" } "*" "-msx*" } */
+/* ICE for bit instruction generation using 16-bit const */
+
+__extension__ struct st_mstp
+{
+ union
+ {
+ unsigned short WORD;
+ struct
+ {
+ unsigned char ACSE:1;
+ unsigned char _EXDMAC:1;
+ unsigned char _DMAC:1;
+ unsigned char _DTC:1;
+ unsigned char:2;
+ unsigned char _TMR23:1;
+ unsigned char _TMR01:1;
+ unsigned char:2;
+ unsigned char _DA:1;
+ unsigned char:1;
+ unsigned char _AD:1;
+ unsigned char:1;
+ unsigned char _TPUU:1;
+ unsigned char _TPUL:1;
+ } BIT;
+ } CRA;
+};
+#define MSTP (*(volatile struct st_mstp *)0xFFFDC8)
+#define MSTPA_EXDMA 0x4000
+#define MSTPA_AND 0xFEFF
+
+int
+main ()
+{
+ MSTP.CRA.WORD |= MSTPA_EXDMA;
+ MSTP.CRA.WORD ^= MSTPA_EXDMA;
+ MSTP.CRA.WORD &= MSTPA_AND;
+ return 0;
+}