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authorYufeng Zhang <yufeng.zhang@arm.com>2013-12-18 19:15:57 +0000
committerYufeng Zhang <yufeng.zhang@arm.com>2013-12-18 19:15:57 +0000
commit3f06bfce701d5060c7a11c827742b86dc385b4b4 (patch)
tree59e5ca3fd7a7d12cd1c6f315836ac81ba65da35a /gas
parentf45c82da381e0ce5ce51b7fb24d0d28611d266b8 (diff)
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gas/
* config/tc-aarch64.c (md_assemble): Defer the feature checking until do_encode () succeeds. gas/testsuite/ * gas/aarch64/rm-simd-ext.d: New file. * gas/aarch64/rm-simd-ext.l: Likewise. * gas/aarch64/rm-simd-ext.s: Likewise.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/tc-aarch64.c16
-rw-r--r--gas/testsuite/ChangeLog6
-rw-r--r--gas/testsuite/gas/aarch64/rm-simd-ext.d4
-rw-r--r--gas/testsuite/gas/aarch64/rm-simd-ext.l2
-rw-r--r--gas/testsuite/gas/aarch64/rm-simd-ext.s28
6 files changed, 53 insertions, 8 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index c658d73..8282ec0 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2013-12-18 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * config/tc-aarch64.c (md_assemble): Defer the feature checking until
+ do_encode () succeeds.
+
2013-12-18 Nick Clifton <nickc@redhat.com>
* config/tc-rx.c (rx_include): Rename 'eof' to 'last_char' in
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index fb0ae33..7a69d00 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -5531,14 +5531,6 @@ md_assemble (char *str)
dump_opcode_operands (opcode);
#endif /* DEBUG_AARCH64 */
- /* Check that this instruction is supported for this CPU. */
- if (!opcode->avariant
- || !AARCH64_CPU_HAS_FEATURE (cpu_variant, *opcode->avariant))
- {
- as_bad (_("selected processor does not support `%s'"), str);
- return;
- }
-
mapping_state (MAP_INSN);
inst_base = &inst.base;
@@ -5563,6 +5555,14 @@ md_assemble (char *str)
&& programmer_friendly_fixup (&inst)
&& do_encode (inst_base->opcode, &inst.base, &inst_base->value))
{
+ /* Check that this instruction is supported for this CPU. */
+ if (!opcode->avariant
+ || !AARCH64_CPU_HAS_FEATURE (cpu_variant, *opcode->avariant))
+ {
+ as_bad (_("selected processor does not support `%s'"), str);
+ return;
+ }
+
if (inst.reloc.type == BFD_RELOC_UNUSED
|| !inst.reloc.need_libopcodes_p)
output_inst (NULL);
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 20f13f4..26ab54c 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2013-12-18 Yufeng Zhang <yufeng.zhang@arm.com>
+
+ * gas/aarch64/rm-simd-ext.d: New file.
+ * gas/aarch64/rm-simd-ext.l: Likewise.
+ * gas/aarch64/rm-simd-ext.s: Likewise.
+
2013-12-17 Kuan-Lin Chen <kuanlinchentw@gmail.com>
* gas/nds32/nds32.exp: Add system and user special register tests.
diff --git a/gas/testsuite/gas/aarch64/rm-simd-ext.d b/gas/testsuite/gas/aarch64/rm-simd-ext.d
new file mode 100644
index 0000000..a60f987
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/rm-simd-ext.d
@@ -0,0 +1,4 @@
+#name: SIMD Extension Removal
+#source: rm-simd-ext.s
+#error-output: rm-simd-ext.l
+#as: -mcpu=cortex-a57+nosimd
diff --git a/gas/testsuite/gas/aarch64/rm-simd-ext.l b/gas/testsuite/gas/aarch64/rm-simd-ext.l
new file mode 100644
index 0000000..2e24967
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/rm-simd-ext.l
@@ -0,0 +1,2 @@
+[^:]*: Assembler messages:
+[^:]*:27: Error: selected processor does not support `orr v0.16b,v1.16b,v2.16b'
diff --git a/gas/testsuite/gas/aarch64/rm-simd-ext.s b/gas/testsuite/gas/aarch64/rm-simd-ext.s
new file mode 100644
index 0000000..1994a4d
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/rm-simd-ext.s
@@ -0,0 +1,28 @@
+/* rm-simd-ext.s Test file for AArch64 extension removal in -mcpu option.
+
+ Copyright 2013 Free Software Foundation, Inc.
+ Contributed by ARM Ltd.
+
+ This file is part of GAS.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the license, or
+ (at your option) any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING3. If not,
+ see <http://www.gnu.org/licenses/>. */
+
+ .text
+ mov w3, 200
+ mul w3, w2, w3
+ add w1, w1, w3
+ add w2, w0, w2, lsl 2
+ orr v0.16b, v1.16b, v2.16b
+ orr w1, w1, w3