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authorMichael Eager <eager@eagercon.com>2012-11-14 17:05:24 +0000
committerMichael Eager <eager@eagercon.com>2012-11-14 17:05:24 +0000
commitd3da77419a529a0af2c3e5109bebed65752bc52f (patch)
treef243496979f4234e3783a6c5215a8cb3f0660e93 /gas
parented8ec0ec784e7e2fd114f4a14e2751add8942c9c (diff)
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opcodes/
* microblaze-opc.h: Define new instruction type INST_TYPE_IMM5, update OPCODE_MASK_H13S, add OPCODE_MASK_HN, define MIN_IMM5 / MAX_IMM5, and increase MAX_OPCODES. (op_code_struct): add mbar and sleep * microblaze-opcm.h (microblaze_instr): add mbar Define IMM_MBAR and IMM5_MBAR_MASK * microblaze-dis.c: Add get_field_imm5_mbar (print_insn_microblaze): Add support for INST_TYPE_IMM5 and INST_TYPE_NONE gas/ * config/tc-microblaze.c (md_assemble): Add support for INST_TYPE_IMM5 gas/testsuite/ * gas/microblaze/allinsn.s: Add mbar and sleep * gas/microblaze/allinsn.d: Likewise
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog4
-rw-r--r--gas/config/tc-microblaze.c18
-rw-r--r--gas/testsuite/ChangeLog7
-rw-r--r--gas/testsuite/gas/microblaze/allinsn.d6
-rw-r--r--gas/testsuite/gas/microblaze/allinsn.s8
5 files changed, 42 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index a3a33d8..f1e6207 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
+
+ * config/tc-microblaze.c (md_assemble): Add support for INST_TYPE_IMM5
+
2012-11-14 Ulrich Weigand <uweigand@de.ibm.com>
* config/tc-ppc.c (md_apply_fix): Leave field zero when emitting
diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c
index 04dfa1e..b71383b 100644
--- a/gas/config/tc-microblaze.c
+++ b/gas/config/tc-microblaze.c
@@ -1605,6 +1605,24 @@ md_assemble (char * str)
output = frag_more (isize);
break;
+ case INST_TYPE_IMM5:
+ if (strcmp(op_end, ""))
+ op_end = parse_imm (op_end + 1, & exp, MIN_IMM5, MAX_IMM5);
+ else
+ as_fatal(_("Error in statement syntax"));
+ if (exp.X_op != O_constant) {
+ as_warn(_("Symbol used as immediate for mbar instruction"));
+ } else {
+ output = frag_more (isize);
+ immed = exp.X_add_number;
+ }
+ if (immed != (immed % 32)) {
+ as_warn(_("Immediate value for mbar > 32. using <value %% 32>"));
+ immed = immed % 32;
+ }
+ inst |= (immed << IMM_MBAR);
+ break;
+
default:
as_fatal (_("unimplemented opcode \"%s\""), name);
}
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index c2a66c8..51405aa 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,4 +1,9 @@
-2012-11-08 David Holsgrove <david.holsgrove@xilinx.com>
+2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
+
+ * gas/microblaze/allinsn.s: Add mbar and sleep
+ * gas/microblaze/allinsn.d: Likewise
+
+2012-11-14 David Holsgrove <david.holsgrove@xilinx.com>
* gas/microblaze/allinsn.s: Add clz insn
* gas/microblaze/allinsn.d: Likewise
diff --git a/gas/testsuite/gas/microblaze/allinsn.d b/gas/testsuite/gas/microblaze/allinsn.d
index c7854f1..ec14020 100644
--- a/gas/testsuite/gas/microblaze/allinsn.d
+++ b/gas/testsuite/gas/microblaze/allinsn.d
@@ -25,3 +25,9 @@ Disassembly of section .text:
00000018 <clz>:
18: 900000e0 clz r0, r0
+
+0000001c <mbar>:
+ 1c: b8420004 mbar 2
+
+00000020 <sleep>:
+ 20: ba020004 sleep
diff --git a/gas/testsuite/gas/microblaze/allinsn.s b/gas/testsuite/gas/microblaze/allinsn.s
index 0e4271d..582da17 100644
--- a/gas/testsuite/gas/microblaze/allinsn.s
+++ b/gas/testsuite/gas/microblaze/allinsn.s
@@ -28,4 +28,12 @@ swr:
.global clz
clz:
clz r0,r0
+ .text
+ .global mbar
+mbar:
+ mbar 2
+ .text
+ .global sleep
+sleep:
+ sleep