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| author | Bob Wilson <bob.wilson@acm.org> | 2007-07-25 17:33:27 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@acm.org> | 2007-07-25 17:33:27 +0000 |
| commit | b4379a7aaf96f1339962c94a9df25571e3c85498 (patch) | |
| tree | 495065de054355834edebd1ab91e3481069290bd /gas/config/tc-xtensa.c | |
| parent | 883ce6348d0a49e6d659140480258c5c0efb3083 (diff) | |
| download | binutils-redhat-b4379a7aaf96f1339962c94a9df25571e3c85498.tar.gz | |
* config/tc-xtensa.c (xtensa_extui_opcode): New.
(xg_expand_assembly_insn): Check for invalid extui operands.
(md_begin): Initialize xtensa_extui_opcode.
Diffstat (limited to 'gas/config/tc-xtensa.c')
| -rw-r--r-- | gas/config/tc-xtensa.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c index d4eb7f4a97..aef5fc9702 100644 --- a/gas/config/tc-xtensa.c +++ b/gas/config/tc-xtensa.c @@ -553,6 +553,7 @@ static xtensa_opcode xtensa_callx8_opcode; static xtensa_opcode xtensa_callx12_opcode; static xtensa_opcode xtensa_const16_opcode; static xtensa_opcode xtensa_entry_opcode; +static xtensa_opcode xtensa_extui_opcode; static xtensa_opcode xtensa_movi_opcode; static xtensa_opcode xtensa_movi_n_opcode; static xtensa_opcode xtensa_isync_opcode; @@ -3888,6 +3889,20 @@ xg_expand_assembly_insn (IStack *istack, TInsn *orig_insn) if (tinsn_has_invalid_symbolic_operands (orig_insn)) return TRUE; + /* Special case for extui opcode which has constraints not handled + by the ordinary operand encoding checks. The number of operands + and related syntax issues have already been checked. */ + if (orig_insn->opcode == xtensa_extui_opcode) + { + int shiftimm = orig_insn->tok[2].X_add_number; + int maskimm = orig_insn->tok[3].X_add_number; + if (shiftimm + maskimm > 32) + { + as_bad (_("immediate operands sum to greater than 32")); + return TRUE; + } + } + /* If the instruction will definitely need to be relaxed, it is better to expand it now for better scheduling. Decide whether to expand now.... */ @@ -5012,6 +5027,7 @@ md_begin (void) xtensa_callx12_opcode = xtensa_opcode_lookup (isa, "callx12"); xtensa_const16_opcode = xtensa_opcode_lookup (isa, "const16"); xtensa_entry_opcode = xtensa_opcode_lookup (isa, "entry"); + xtensa_extui_opcode = xtensa_opcode_lookup (isa, "extui"); xtensa_movi_opcode = xtensa_opcode_lookup (isa, "movi"); xtensa_movi_n_opcode = xtensa_opcode_lookup (isa, "movi.n"); xtensa_isync_opcode = xtensa_opcode_lookup (isa, "isync"); |