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| author | Alan Modra <amodra@gmail.com> | 2016-09-29 15:12:47 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2016-09-29 15:12:47 +0930 |
| commit | a5721ba270ddf860e0e5a45bba456214e8eac2be (patch) | |
| tree | d859bdad489788b9173c41728cc490f7ffcd20b5 /include | |
| parent | b82317dd347991288e4cca4772e951c672fca8cc (diff) | |
| download | gdb-a5721ba270ddf860e0e5a45bba456214e8eac2be.zip gdb-a5721ba270ddf860e0e5a45bba456214e8eac2be.tar.gz gdb-a5721ba270ddf860e0e5a45bba456214e8eac2be.tar.bz2 | |
Disallow 3-operand cmp[l][i] for ppc64
cmp[l][o] get an optional L field only when generating 32-bit code.
dcbf, tlbie and tlbiel keep their optional L field, ditto for R field
of tbegin. cmprb, tsr., wlcr[all] and mtsle all change to a
compulsory L field.
L field of dcbf and wclr is 2 bits.
PR 20641
include/
* opcode/ppc.h (PPC_OPERAND_OPTIONAL32): Define.
opcodes/
* ppc-opc.c (L): Make compulsory.
(LOPT): New, optional form of L.
(HTM_R): Define as LOPT.
(L0, L1): Delete.
(L32OPT): New, optional for 32-bit L.
(L2OPT): New, 2-bit L for dcbf.
(SVC_LEC): Update.
(L2): Define.
(insert_l0, extract_l0, insert_l1, extract_l2): Delete.
(powerpc_opcodes <cmpli, cmpi, cmpl, cmp>): Use L32OPT.
<dcbf>: Use L2OPT.
<tlbiel, tlbie>: Use LOPT.
<wclr, wclrall>: Use L2.
gas/
* config/tc-ppc.c (md_assemble): Handle PPC_OPERAND_OPTIONAL32.
* testsuite/gas/ppc/power8.s: Provide tbegin. operand.
* testsuite/gas/ppc/power9.d: Update cmprb disassembly.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 4 | ||||
| -rw-r--r-- | include/opcode/ppc.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index 01d1c14..652bb21 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,7 @@ +2016-09-29 Alan Modra <amodra@gmail.com> + + * opcode/ppc.h (PPC_OPERAND_OPTIONAL32): Define. + 2016-09-26 Claudiu Zissulescu <claziss@synopsys.com> * opcode/arc.h (insn_class_t): Add two new classes. diff --git a/include/opcode/ppc.h b/include/opcode/ppc.h index d9f973d..66d2ceb 100644 --- a/include/opcode/ppc.h +++ b/include/opcode/ppc.h @@ -407,6 +407,10 @@ extern const unsigned int num_powerpc_operands; is omitted, then the value it should use for the operand is stored in the SHIFT field of the immediatly following operand field. */ #define PPC_OPERAND_OPTIONAL_VALUE (0x400000) + +/* This flag is only used with PPC_OPERAND_OPTIONAL. The operand is + only optional when generating 32-bit code. */ +#define PPC_OPERAND_OPTIONAL32 (0x800000) /* The POWER and PowerPC assemblers use a few macros. We keep them with the operands table for simplicity. The macro table is an |