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[binutils-gdb] [AArch64] Add ARMv8.2 instructions BFC and REV64.
- From: sergiodj+buildbot at redhat dot com
- To: gdb-testers at sourceware dot org
- Date: Fri, 27 Nov 2015 13:23:40 -0500
- Subject: [binutils-gdb] [AArch64] Add ARMv8.2 instructions BFC and REV64.
- Authentication-results: sourceware.org; auth=none
*** TEST RESULTS FOR COMMIT d685192a58d4c198633bd0e69cfe0a114576e98a ***
Author: Matthew Wahab <matthew.wahab@arm.com>
Branch: master
Commit: d685192a58d4c198633bd0e69cfe0a114576e98a
[AArch64] Add ARMv8.2 instructions BFC and REV64.
ARMv8.2 adds two new instructions: BFC as an alias for BFM and REV64 as
an alias for REV. This patch set adds support for these to binutils,
enabled when the -march=armv8.2-a is given. It depends on the support
for an instruction being its preferred form which was added in an
earlier patch.
This patch adds the alias BFC <Rd>, #<imm>, #<width> as the preferred
form for BFM when the source is a zero register and the conditions for
using the BFI form are met (in other words, BFC is the preferred form
for BFI <Rd>, <Rs>, #<imm>, #<width> when the <Rs> is a zero register).
gas/testsuite/
2015-11-27 Matthew Wahab <matthew.wahab@arm.com>
* gas/aarch64/alias-2.d: New.
* gas/aarch64/alias-2.s: New.
include/opcode/
2015-11-27 Matthew Wahab <matthew.wahab@arm.com>
* aarch64.h (aarch64_op): Add OP_BFC.
opcodes/
2015-11-27 Matthew Wahab <matthew.wahab@arm.com>
* aarch64-asm-2.c: Regenerate.
* aarch64-asm.c (convert_bfc_to_bfm): New.
(convert_to_real): Add case for OP_BFC.
* aarch64-dis-2.c: Regenerate.
* aarch64-dis.c: (convert_bfm_to_bfc): New.
(convert_to_alias): Add case for OP_BFC.
* aarch64-opc-2.c: Regenerate.
* aarch64-opc.c (operand_general_constraint_met_p): Weaken assert
to allow width operand in three-operand instructions.
* aarch64-tbl.h (QL_BF1): New.
(aarch64_feature_v8_2): New.
(ARMV8_2): New.
(aarch64_opcode_table): Add "bfc".
Change-Id: I6efe318b2538ba11f0caece7c6d70957441c872b
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