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authorMaciej W. Rozycki <macro@linux-mips.org>2004-07-20 17:59:00 +0000
committerMaciej W. Rozycki <macro@linux-mips.org>2004-07-20 17:59:00 +0000
commit6f14957b2c0a2a4f98e27a3c908ba168f36557e5 (patch)
tree4ae520b58cf94378b0d74e754fd475fe818a271d /opcodes
parent01a3f561abcabb8b794dfa8a580691075dbf03c6 (diff)
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opcodes/
* mips-opc.c (mips_builtin_opcodes): Move coprocessor 2 move/branch operations to the bottom so that VR5400 multimedia instructions take precedence in disassembly. gas/testsuite/ * gas/mips/vr5400.d: Update for a correct disassembly of "racm.ob".
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog6
-rw-r--r--opcodes/mips-opc.c44
2 files changed, 34 insertions, 16 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 6976666..23f2e1d 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,11 @@
2004-07-20 Maciej W. Rozycki <macro@linux-mips.org>
+ * mips-opc.c (mips_builtin_opcodes): Move coprocessor 2
+ move/branch operations to the bottom so that VR5400 multimedia
+ instructions take precedence in disassembly.
+
+2004-07-20 Maciej W. Rozycki <macro@linux-mips.org>
+
* mips-opc.c (mips_builtin_opcodes): Remove the MIPS32
ISA-specific "break" encoding.
diff --git a/opcodes/mips-opc.c b/opcodes/mips-opc.c
index 93a5787..523aef0 100644
--- a/opcodes/mips-opc.c
+++ b/opcodes/mips-opc.c
@@ -209,10 +209,7 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"bc1t", "N,p", 0x45010000, 0xffe30000, CBD|RD_CC|FP_S, I4|I32 },
{"bc1tl", "p", 0x45030000, 0xffff0000, CBL|RD_CC|FP_S, I2|T3 },
{"bc1tl", "N,p", 0x45030000, 0xffe30000, CBL|RD_CC|FP_S, I4|I32 },
-{"bc2f", "p", 0x49000000, 0xffff0000, CBD|RD_CC, I1 },
-{"bc2fl", "p", 0x49020000, 0xffff0000, CBL|RD_CC, I2|T3 },
-{"bc2t", "p", 0x49010000, 0xffff0000, CBD|RD_CC, I1 },
-{"bc2tl", "p", 0x49030000, 0xffff0000, CBL|RD_CC, I2|T3 },
+/* bc2* are at the bottom of the table. */
{"bc3f", "p", 0x4d000000, 0xffff0000, CBD|RD_CC, I1 },
{"bc3fl", "p", 0x4d020000, 0xffff0000, CBL|RD_CC, I2|T3 },
{"bc3t", "p", 0x4d010000, 0xffff0000, CBD|RD_CC, I1 },
@@ -443,14 +440,14 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"cfc0", "t,G", 0x40400000, 0xffe007ff, LCD|WR_t|RD_C0, I1 },
{"cfc1", "t,G", 0x44400000, 0xffe007ff, LCD|WR_t|RD_C1|FP_S, I1 },
{"cfc1", "t,S", 0x44400000, 0xffe007ff, LCD|WR_t|RD_C1|FP_S, I1 },
-{"cfc2", "t,G", 0x48400000, 0xffe007ff, LCD|WR_t|RD_C2, I1 },
+/* cfc2 is at the bottom of the table. */
{"cfc3", "t,G", 0x4c400000, 0xffe007ff, LCD|WR_t|RD_C3, I1 },
{"clo", "U,s", 0x70000021, 0xfc0007ff, WR_d|WR_t|RD_s, I32|N55 },
{"clz", "U,s", 0x70000020, 0xfc0007ff, WR_d|WR_t|RD_s, I32|N55 },
{"ctc0", "t,G", 0x40c00000, 0xffe007ff, COD|RD_t|WR_CC, I1 },
{"ctc1", "t,G", 0x44c00000, 0xffe007ff, COD|RD_t|WR_CC|FP_S, I1 },
{"ctc1", "t,S", 0x44c00000, 0xffe007ff, COD|RD_t|WR_CC|FP_S, I1 },
-{"ctc2", "t,G", 0x48c00000, 0xffe007ff, COD|RD_t|WR_CC, I1 },
+/* ctc2 is at the bottom of the table. */
{"ctc3", "t,G", 0x4cc00000, 0xffe007ff, COD|RD_t|WR_CC, I1 },
{"cvt.d.l", "D,S", 0x46a00021, 0xffff003f, WR_D|RD_S|FP_D, I3 },
{"cvt.d.s", "D,S", 0x46000021, 0xffff003f, WR_D|RD_S|FP_D|FP_S, I1 },
@@ -539,10 +536,8 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"dmfc1", "t,G", 0x44200000, 0xffe007ff, LCD|WR_t|RD_S|FP_S, I3 },
{"dmtc1", "t,S", 0x44a00000, 0xffe007ff, COD|RD_t|WR_S|FP_S, I3 },
{"dmtc1", "t,G", 0x44a00000, 0xffe007ff, COD|RD_t|WR_S|FP_S, I3 },
-{"dmfc2", "t,G", 0x48200000, 0xffe007ff, LCD|WR_t|RD_C2, I3 },
-{"dmfc2", "t,G,H", 0x48200000, 0xffe007f8, LCD|WR_t|RD_C2, I64 },
-{"dmtc2", "t,G", 0x48a00000, 0xffe007ff, COD|RD_t|WR_C2|WR_CC, I3 },
-{"dmtc2", "t,G,H", 0x48a00000, 0xffe007f8, COD|RD_t|WR_C2|WR_CC, I64 },
+/* dmfc2 is at the bottom of the table. */
+/* dmtc2 is at the bottom of the table. */
{"dmfc3", "t,G", 0x4c200000, 0xffe007ff, LCD|WR_t|RD_C3, I3 },
{"dmfc3", "t,G,H", 0x4c200000, 0xffe007f8, LCD|WR_t|RD_C3, I64 },
{"dmtc3", "t,G", 0x4ca00000, 0xffe007ff, COD|RD_t|WR_C3|WR_CC, I3 },
@@ -740,9 +735,8 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"mfc1", "t,G", 0x44000000, 0xffe007ff, LCD|WR_t|RD_S|FP_S, I1 },
{"mfhc1", "t,S", 0x44600000, 0xffe007ff, LCD|WR_t|RD_S|FP_S, I33 },
{"mfhc1", "t,G", 0x44600000, 0xffe007ff, LCD|WR_t|RD_S|FP_S, I33 },
-{"mfc2", "t,G", 0x48000000, 0xffe007ff, LCD|WR_t|RD_C2, I1 },
-{"mfc2", "t,G,H", 0x48000000, 0xffe007f8, LCD|WR_t|RD_C2, I32 },
-{"mfhc2", "t,i", 0x48600000, 0xffe00000, LCD|WR_t|RD_C2, I33 },
+/* mfc2 is at the bottom of the table. */
+/* mfhc2 is at the bottom of the table. */
{"mfc3", "t,G", 0x4c000000, 0xffe007ff, LCD|WR_t|RD_C3, I1 },
{"mfc3", "t,G,H", 0x4c000000, 0xffe007f8, LCD|WR_t|RD_C3, I32 },
{"mfdr", "t,G", 0x7000003d, 0xffe007ff, LCD|WR_t|RD_C0, N5 },
@@ -804,9 +798,8 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"mtc1", "t,G", 0x44800000, 0xffe007ff, COD|RD_t|WR_S|FP_S, I1 },
{"mthc1", "t,S", 0x44e00000, 0xffe007ff, COD|RD_t|WR_S|FP_S, I33 },
{"mthc1", "t,G", 0x44e00000, 0xffe007ff, COD|RD_t|WR_S|FP_S, I33 },
-{"mtc2", "t,G", 0x48800000, 0xffe007ff, COD|RD_t|WR_C2|WR_CC, I1 },
-{"mtc2", "t,G,H", 0x48800000, 0xffe007f8, COD|RD_t|WR_C2|WR_CC, I32 },
-{"mthc2", "t,i", 0x48e00000, 0xffe00000, COD|RD_t|WR_C2|WR_CC, I33 },
+/* mtc2 is at the bottom of the table. */
+/* mthc2 is at the bottom of the table. */
{"mtc3", "t,G", 0x4c800000, 0xffe007ff, COD|RD_t|WR_C3|WR_CC, I1 },
{"mtc3", "t,G,H", 0x4c800000, 0xffe007f8, COD|RD_t|WR_C3|WR_CC, I32 },
{"mtdr", "t,G", 0x7080003d, 0xffe007ff, COD|RD_t|WR_C0, N5 },
@@ -1186,6 +1179,25 @@ const struct mips_opcode mips_builtin_opcodes[] =
{"xor.qh", "X,Y,Q", 0x7820000d, 0xfc20003f, WR_D|RD_S|RD_T|FP_D, MX },
{"xori", "t,r,i", 0x38000000, 0xfc000000, WR_t|RD_s, I1 },
+/* Coprocessor 2 move/branch operations overlap with VR5400 .ob format
+ instructions so they are here for the latters to take precedence. */
+{"bc2f", "p", 0x49000000, 0xffff0000, CBD|RD_CC, I1 },
+{"bc2fl", "p", 0x49020000, 0xffff0000, CBL|RD_CC, I2|T3 },
+{"bc2t", "p", 0x49010000, 0xffff0000, CBD|RD_CC, I1 },
+{"bc2tl", "p", 0x49030000, 0xffff0000, CBL|RD_CC, I2|T3 },
+{"cfc2", "t,G", 0x48400000, 0xffe007ff, LCD|WR_t|RD_C2, I1 },
+{"ctc2", "t,G", 0x48c00000, 0xffe007ff, COD|RD_t|WR_CC, I1 },
+{"dmfc2", "t,G", 0x48200000, 0xffe007ff, LCD|WR_t|RD_C2, I3 },
+{"dmfc2", "t,G,H", 0x48200000, 0xffe007f8, LCD|WR_t|RD_C2, I64 },
+{"dmtc2", "t,G", 0x48a00000, 0xffe007ff, COD|RD_t|WR_C2|WR_CC, I3 },
+{"dmtc2", "t,G,H", 0x48a00000, 0xffe007f8, COD|RD_t|WR_C2|WR_CC, I64 },
+{"mfc2", "t,G", 0x48000000, 0xffe007ff, LCD|WR_t|RD_C2, I1 },
+{"mfc2", "t,G,H", 0x48000000, 0xffe007f8, LCD|WR_t|RD_C2, I32 },
+{"mfhc2", "t,i", 0x48600000, 0xffe00000, LCD|WR_t|RD_C2, I33 },
+{"mtc2", "t,G", 0x48800000, 0xffe007ff, COD|RD_t|WR_C2|WR_CC, I1 },
+{"mtc2", "t,G,H", 0x48800000, 0xffe007f8, COD|RD_t|WR_C2|WR_CC, I32 },
+{"mthc2", "t,i", 0x48e00000, 0xffe00000, COD|RD_t|WR_C2|WR_CC, I33 },
+
/* No hazard protection on coprocessor instructions--they shouldn't
change the state of the processor and if they do it's up to the
user to put in nops as necessary. These are at the end so that the