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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 /gas/config | |
| 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 'gas/config')
| -rw-r--r-- | gas/config/tc-ppc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index d2b5316..5c7b09f 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -2695,7 +2695,8 @@ md_assemble (char *str) const struct powerpc_operand *operand; operand = &powerpc_operands[*opindex_ptr]; - if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0) + if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 + && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64)) { unsigned int opcount; unsigned int num_operands_expected; @@ -2765,6 +2766,7 @@ md_assemble (char *str) /* If this is an optional operand, and we are skipping it, just insert a zero. */ if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0 + && !((operand->flags & PPC_OPERAND_OPTIONAL32) != 0 && ppc_obj64) && skip_optional) { long val = ppc_optional_operand_value (operand); |