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commit db76a70026ab100148eb274322fac01f1a1dd466
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Author: Alan Modra <amodra@gmail.com>
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Date: Sat Nov 29 19:13:17 2014 +1030
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Power4 should treat mftb as extended mfspr mnemonic
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On further reading of ISA manual it appears gas should have been
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treating mftb and mftbu as extended mnemonics for mfspr, for ISA 2.03
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and later.
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opcodes/
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* ppc-opc.c (powerpc_opcodes): Make mftb* generate mfspr for
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power4 and later.
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gas/testsuite/
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* gas/ppc/a2.d: Update for mftb change.
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* gas/ppc/476.d: Likewise.
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### a/opcodes/ChangeLog
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### b/opcodes/ChangeLog
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## -1,3 +1,8 @@
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+2014-11-30 Alan Modra <amodra@gmail.com>
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+
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+ * ppc-opc.c (powerpc_opcodes): Make mftb* generate mfspr for
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+ power4 and later.
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+
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2014-11-28 Sandra Loosemore <sandra@codesourcery.com>
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* nios2-opc.c (nios2_r1_opcodes): Remove deleted attributes
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--- a/opcodes/ppc-opc.c
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+++ b/opcodes/ppc-opc.c
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@@ -4880,9 +4880,9 @@ const struct powerpc_opcode powerpc_opcodes[] = {
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{"mfsprg5", XSPR(31,339,261), XSPR_MASK, PPC405|BOOKE|PPCVLE, PPCNONE, {RT}},
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{"mfsprg6", XSPR(31,339,262), XSPR_MASK, PPC405|BOOKE|PPCVLE, PPCNONE, {RT}},
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{"mfsprg7", XSPR(31,339,263), XSPR_MASK, PPC405|BOOKE|PPCVLE, PPCNONE, {RT}},
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-{"mftb", XSPR(31,339,268), XSPR_MASK, BOOKE|PPCVLE, PPCNONE, {RT}},
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-{"mftbl", XSPR(31,339,268), XSPR_MASK, BOOKE|PPCVLE, PPCNONE, {RT}},
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-{"mftbu", XSPR(31,339,269), XSPR_MASK, BOOKE|PPCVLE, PPCNONE, {RT}},
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+{"mftbu", XSPR(31,339,269), XSPR_MASK, POWER4|BOOKE|PPCVLE, PPCNONE, {RT}},
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+{"mftb", X(31,339), X_MASK, POWER4|BOOKE|PPCVLE, PPCNONE, {RT, TBR}},
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+{"mftbl", XSPR(31,339,268), XSPR_MASK, POWER4|BOOKE|PPCVLE, PPCNONE, {RT}},
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{"mfsprg0", XSPR(31,339,272), XSPR_MASK, PPC|PPCVLE, PPCNONE, {RT}},
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{"mfsprg1", XSPR(31,339,273), XSPR_MASK, PPC|PPCVLE, PPCNONE, {RT}},
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{"mfsprg2", XSPR(31,339,274), XSPR_MASK, PPC|PPCVLE, PPCNONE, {RT}},
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@@ -5051,9 +5051,9 @@ const struct powerpc_opcode powerpc_opcodes[] = {
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{"tlbia", X(31,370), 0xffffffff, PPC, TITAN, {0}},
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-{"mftbl", XSPR(31,371,268), XSPR_MASK, PPC, NO371, {RT}},
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-{"mftbu", XSPR(31,371,269), XSPR_MASK, PPC, NO371, {RT}},
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-{"mftb", X(31,371), X_MASK, PPC|PPCA2, NO371, {RT, TBR}},
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+{"mftbu", XSPR(31,371,269), XSPR_MASK, PPC, NO371|POWER4, {RT}},
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+{"mftb", X(31,371), X_MASK, PPC, NO371|POWER4, {RT, TBR}},
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+{"mftbl", XSPR(31,371,268), XSPR_MASK, PPC, NO371|POWER4, {RT}},
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{"lwaux", X(31,373), X_MASK, PPC64|PPCVLE, PPCNONE, {RT, RAL, RB}},
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