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authorChris Demetriou <cgd@google.com>2002-02-28 07:01:14 +0000
committerChris Demetriou <cgd@google.com>2002-02-28 07:01:14 +0000
commitaf5107af975bcf912be1187f4210706db408dabe (patch)
tree0aced11aec5d6986758e26a69129a58a777ed2be /sim
parent3422b41a7413161dcb5e2cffbd7ea532c32119ab (diff)
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2002-02-27 Chris Demetriou <cgd@broadcom.com>
* mips.igen (PREFX): Tweak instruction opcode fields (i.e., add a comma) so that it more closely match the MIPS ISA documentation opcode partitioning. (PREF): Put useful names on opcode fields, and include instruction-printing string.
Diffstat (limited to 'sim')
-rw-r--r--sim/mips/ChangeLog8
-rw-r--r--sim/mips/mips.igen5
2 files changed, 11 insertions, 2 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index 9083040..4789ba9 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,5 +1,13 @@
2002-02-27 Chris Demetriou <cgd@broadcom.com>
+ * mips.igen (PREFX): Tweak instruction opcode fields (i.e.,
+ add a comma) so that it more closely match the MIPS ISA
+ documentation opcode partitioning.
+ (PREF): Put useful names on opcode fields, and include
+ instruction-printing string.
+
+2002-02-27 Chris Demetriou <cgd@broadcom.com>
+
* mips.igen (check_u64): New function which in the future will
check whether 64-bit instructions are usable and signal an
exception if not. Currently a no-op.
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen
index 72626d2..d19ac97 100644
--- a/sim/mips/mips.igen
+++ b/sim/mips/mips.igen
@@ -2083,7 +2083,8 @@
}
-110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF
+110011,5.BASE,5.HINT,16.OFFSET:NORMAL:32::PREF
+"pref <HINT>, <OFFSET>(r<BASE>)"
*mipsIV:
*mipsV:
*vr5000:
@@ -3974,7 +3975,7 @@
}
-010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
+010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:32::PREFX
"prefx <HINT>, r<INDEX>(r<BASE>)"
*mipsIV:
*mipsV: