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O_pseudo_fixup was defined as O_max+1, missing the fact that O_md1
through O_md32 enums are for use by target code. Worse, kvx-parse.c
used 64 rather than O_pseudo_fixup. Fix this, and wrap some overlong
lines.
* config/tc-kvx.h (O_pseudo_fixup): Define.
* config/tc-kvx.c (O_pseudo_fixup): Don't define here.
(insert_operand): Delete bogus comment and cast.
* config/kvx-parse.c (promote_token): Use O_pseudo_fixup
rather than hardcoded value. Wrap overlong lines.
(get_token_class): Likewise.
(parse_with_restarts): Wrap overlong line.
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This fixes a few places where ubsan complains about signed integer
overflow when running the testsuite, and that clz(0) is undefined.
When fixing the clz problem, I also noticed that we'd get complaints
if pval is ever LLONG_MIN. Fix that by using unsigned arithmetic.
* config/kvx-parse.c (get_token_class): Avoid signed overflow.
Don't clz(0).
* config/tc-kvx.c (PARALLEL_BIT): Avoid signed overflow.
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kvx-parse.c:parse_with_restarts does
if (!tok.insn[tok.begin])
tok.class_id = -3;
then a little later
printf_debug (1, "\nEntering rule: %d (Trying to match: (%s)[%d])\n", jump_target,
TOKEN_NAME (CLASS_ID (tok)), CLASS_ID (tok));
This results in a buffer overrun in TOKEN_NAME. Fix that.
* config/tc-kvx.h (TOKEN_NAME): Check for tok <= 0, not just -1.
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Historically, flags and variables relating to architectural revisions
for the A-profile architecture omitted the trailing `A' such that, for
example, assembling for `-march=armv8.4-a' set the `AARCH64_ARCH_V8_4'
flag in the assembler.
This leads to some ambiguity, since Binutils also targets the
R-profile Arm architecture. Therefore, it seems prudent to have
everything associated with the A-profile cores end in `A' and likewise
`R' for the R-profile. Referring back to the example above, the flag
set for `-march=armv8.4-a' is better characterized if labeled
`AARCH64_ARCH_V8_4A'.
The only exception to the rule of appending `A' to variables is found
in the handling of the `AARCH64_FEATURE_V8' macro, as it is the
baseline from which ALL processors derive and should therefore be left
unchanged.
In reflecting the `ARM' architectural nomenclature choices, where we
have `ARM_ARCH_V8A' and `ARM_ARCH_V8R', the choice is made to not have
an underscore separating the numerical revision number and the
A/R-profile indicator suffix. This has meant that renaming of
R-profile related flags and variables was warranted, thus going from
`.*_[vV]8_[rR]' to `.*_[vV]8[rR]'.
Finally, this is more in line with conventions within GCC and adds consistency
across the toolchain.
gas/ChangeLog:
* gas/config/tc-aarch64.c:
(aarch64_cpus): Reference to arch feature macros updated.
(aarch64_archs): Likewise.
include/ChangeLog:
* include/opcode/aarch64.h:
(AARCH64_FEATURE_V8A): Updated name: V8_A -> V8A.
(AARCH64_FEATURE_V8_1A): A-suffix added.
(AARCH64_FEATURE_V8_2A): Likewise.
(AARCH64_FEATURE_V8_3A): Likewise.
(AARCH64_FEATURE_V8_4A): Likewise.
(AARCH64_FEATURE_V8_5A): Likewise.
(AARCH64_FEATURE_V8_6A): Likewise.
(AARCH64_FEATURE_V8_7A): Likewise.
(AARCH64_FEATURE_V8_8A):Likewise.
(AARCH64_FEATURE_V9A): Likewise.
(AARCH64_FEATURE_V8R): Updated name: V8_R -> V8R.
(AARCH64_ARCH_V8A_FEATURES): Updated name: V8_A -> V8A.
(AARCH64_ARCH_V8_1A_FEATURES): A-suffix added.
(AARCH64_ARCH_V8_2A_FEATURES): Likewise.
(AARCH64_ARCH_V8_3A_FEATURES): Likewise.
(AARCH64_ARCH_V8_4A_FEATURES): Likewise.
(AARCH64_ARCH_V8_5A_FEATURES): Likewise.
(AARCH64_ARCH_V8_6A_FEATURES): Likewise.
(AARCH64_ARCH_V8_7A_FEATURES): Likewise.
(AARCH64_ARCH_V8_8A_FEATURES): Likewise.
(AARCH64_ARCH_V9A_FEATURES): Likewise.
(AARCH64_ARCH_V9_1A_FEATURES): Likewise.
(AARCH64_ARCH_V9_2A_FEATURES): Likewise.
(AARCH64_ARCH_V9_3A_FEATURES): Likewise.
(AARCH64_ARCH_V8A): Updated name: V8_A -> V8A.
(AARCH64_ARCH_V8_1A): A-suffix added.
(AARCH64_ARCH_V8_2A): Likewise.
(AARCH64_ARCH_V8_3A): Likewise.
(AARCH64_ARCH_V8_4A): Likewise.
(AARCH64_ARCH_V8_5A): Likewise.
(AARCH64_ARCH_V8_6A): Likewise.
(AARCH64_ARCH_V8_7A): Likewise.
(AARCH64_ARCH_V8_8A): Likewise.
(AARCH64_ARCH_V9A): Likewise.
(AARCH64_ARCH_V9_1A): Likewise.
(AARCH64_ARCH_V9_2A): Likewise.
(AARCH64_ARCH_V9_3A): Likewise.
(AARCH64_ARCH_V8_R): Updated name: V8_R -> V8R.
opcodes/ChangeLog:
* opcodes/aarch64-opc.c (SR_V8A): Updated name: V8_A -> V8A.
(SR_V8_1A): A-suffix added.
(SR_V8_2A): Likewise.
(SR_V8_3A): Likewise.
(SR_V8_4A): Likewise.
(SR_V8_6A): Likewise.
(SR_V8_7A): Likewise.
(SR_V8_8A): Likewise.
(aarch64_sys_regs): Reference to arch feature macros updated.
(aarch64_pstatefields): Reference to arch feature macros updated.
(aarch64_sys_ins_reg_supported_p): Reference to arch feature macros
updated.
* opcodes/aarch64-tbl.h:
(aarch64_feature_v8_2a): a-suffix added.
(aarch64_feature_v8_3a): Likewise.
(aarch64_feature_fp_v8_3a): Likewise.
(aarch64_feature_v8_4a): Likewise.
(aarch64_feature_fp_16_v8_2a): Likewise.
(aarch64_feature_v8_5a): Likewise.
(aarch64_feature_v8_6a): Likewise.
(aarch64_feature_v8_7a): Likewise.
(aarch64_feature_v8r): Updated name: v8_r-> v8r.
(ARMV8R): Updated name: V8_R-> V8R.
(ARMV8_2A): A-suffix added.
(ARMV8_3A): Likewise.
(FP_V8_3A): Likewise.
(ARMV8_4A): Likewise.
(FP_F16_V8_2A): Likewise.
(ARMV8_5): Likewise.
(ARMV8_6A): Likewise.
(ARMV8_6A_SVE): Likewise.
(ARMV8_7A): Likewise.
(V8_2A_INSN): `A' added to macro symbol.
(V8_3A_INSN): Likewise.
(V8_4A_INSN): Likewise.
(FP16_V8_2A_INSN): Likewise.
(V8_5A_INSN): Likewise.
(V8_6A_INSN): Likewise.
(V8_7A_INSN): Likewise.
(V8R_INSN): Updated name: V8_R-> V8R.
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The neg/neg32 BPF instructions always use BPF_SRC_K (=0) in their header
source bit, despite operating on registers. If BPF_SRC_X (=1) is set,
the instructions are rejected by the kernel.
Because of this there are also no neg/neg32 instructions which operate
on immediates, so remove them.
bd434cc4d94ec3d2f9fc1e7c00c27b074f962bc1 was a similar fix in the old
CGEN-based port, but was not carried forward in the new port.
include/
* opcode/bpf.h (enum bpf_insn_id): Remove spurious entries
BPF_INSN_NEGI and BPF_INSN_NEG32I.
opcodes/
* bpf-opc.c (bpf_opcodes): Remove erroneous NEGI and NEG32I
instructions.
gas/
* doc/c-bpf.texi (BPF Instructions): Remove erroneous neg and
neg32 instructions operating on immediates.
* testsuite/gas/bpf/alu.s: Adapt accordingly.
* testsuite/gas/bpf/alu.d: Likewise.
* testsuite/gas/bpf/alu-be.d: Likewise
* testsuite/gas/bpf/alu32.s: Likewise.
* testsuite/gas/bpf/alu32.d: Likewise.
* testsuite/gas/bpf/alu32-be.d: Likewise.
* testsuite/gas/bpf/alu-pseudoc.s: Likewise.
* testsuite/gas/bpf/alu-pseudoc.d: Likewise.
* testsuite/gas/bpf/alu-be-pseudoc.d: Likewise.
* testsuite/gas/bpf/alu32-pseudoc.s: Likewise.
* testsuite/gas/bpf/alu32-pseudoc.d: Likewise.
* testsuite/gas/bpf/alu32-be-pseudoc.d: Likewise.
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The longest register name is 3 characters (plus a nul one), so using a
4- or 8-byte pointer to get at it is neither space nor time efficient.
Embed the names right into the array. For PIE this also slightly reduces
the number of base relocations in the final image.
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While they aren't opposites of each other, there also shouldn't be any
symbol for which both return true; both may return false. Therefore
use S_IS_EXTERNAL() in S_IS_LOCAL(), thus subsuming the sanity check
which so far both did alike.
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The elf32-kvx.c and elf64-kvx.c rules in the bfd makefile are
different to the other similar generated files, and that reminded me
that we need to have $srcdir in the generated #line reference back to
the source for debugging, but don't want it for comments in bfd.pot
(because then bfd.pot will likely reference Nick's source tree).
This patch fixes that by making all the #line use $srcdir by virtue of
using $<, and edits bfd.pot.
I also uniq list of files to remove duplicated elfxx-x86.c, sort lists
of files and regen with our standard automake/autoconf.
* configure: Regenerate.
bfd/
* Makefile.am: Sort various lists of files. Use $< in #line
directive of generated C files.
(po/SRC-POTFILES.in): uniq SRC_POTFILES.
(po/BLD-POTFILES.in): uniq BFD_POTFILES.
* Makefile.in: Regenerate.
* po/Make-in (bfd.pot): Edit out source dir from comments.
* po/SRC-POTFILES.in: Regenerate.
gas/
* Makefile.in: Regenerate.
* configure: Regenerate.
* po/POTFILES.in: Regenerate.
ld/
* Makefile.am (ALL_64_EMULATION_SOURCES): Sort.
* Makefile.in: Regenerate.
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5be1b787276d2adbe85ae7febc709ca517b62f08
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This commit changes the BPF GAS port in order to handle immediate
overflows the same way than the clang BPF assembler:
- For an immediate field of N bits, any written number (positive or
negative) whose two's complement encoding fit in N its is accepted.
This means that -2 is the same than 0xffffffe. It is up to the
instructions to decide how to interpret the encoded value.
- Immediate fields in jump instructions are no longer relaxed.
Relaxing to jump instructions with wider range is only performed
when expressions are involved.
- The manual is updated to document this, and testsuite adapted
accordingly.
Tested in x86_64-linux-gnu host, bpf-unknown-none target.
gas/ChangeLog:
2023-08-17 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/tc-bpf.c (check_immediate_overflow): New function.
(encode_insn): Use check_immediate_overflow.
(md_assemble): Do not relax instructions with
constant disp16 fields.
* doc/c-bpf.texi (BPF Instructions): Add note about how numerical
literal values are interpreted for instruction immediate operands.
* testsuite/gas/bpf/disp16-overflow.s: Adapt accordingly.
* testsuite/gas/bpf/jump-relax-jump.s: Likewise.
* testsuite/gas/bpf/jump-relax-jump.d: Likewise.
* testsuite/gas/bpf/jump-relax-jump-be.d: Likewise.
* testsuite/gas/bpf/jump-relax-ja.s: Likewise.
* testsuite/gas/bpf/jump-relax-ja.d: Likewise.
* testsuite/gas/bpf/jump-relax-ja-be.d: Likewise.
* testsuite/gas/bpf/disp16-overflow-relax.l: Likewise.
* testsuite/gas/bpf/imm32-overflow.s: Likewise.
* testsuite/gas/bpf/disp32-overflow.s: Likewise.
* testsuite/gas/bpf/disp16-overflow.l: Likewise.
* testsuite/gas/bpf/disp32-overflow.l: Likewise.
* testsuite/gas/bpf/imm32-overflow.l: Likewise.
* testsuite/gas/bpf/offset16-overflow.l: Likewise.
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This patch adds support for the Cortex-A720 CPU to binutils.
bfd/ChangeLog:
* cpu-aarch64.c: Add Cortex-A720.
gas/ChangeLog:
* NEWS: Update docs.
* config/tc-aarch64.c: Add Cortex-A720.
* doc/c-aarch64.texi: Update docs.
* testsuite/gas/aarch64/cpu-cortex-a720.d: New test.
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On some T-Head vendor extensions, we test against the constant
18446744073709551615 (2**64-1) to detect invalid immediate errors on -1.
However, it heavily depends on the fact that the value used to print
immediate value is a 64-bit unsigned type and this constant is not (and
should not be) important (we just want to know that -1 is not valid).
This commit replaces all such occurrences of 18446744073709551615 with
a more generic regular expression.
gas/ChangeLog:
* testsuite/gas/riscv/x-thead-ba-fail.l: Replace
18446744073709551615 with generic regular expression.
* testsuite/gas/riscv/x-thead-bb-fail.l: Likewise.
* testsuite/gas/riscv/x-thead-bs-fail.l: Likewise.
* testsuite/gas/riscv/x-thead-fmemidx-fail.l: Likewise.
* testsuite/gas/riscv/x-thead-memidx-fail.l: Likewise.
* testsuite/gas/riscv/x-thead-mempair-fail.l: Likewise.
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The documentation of the 'Zfa' extension states that "fli.h" is available
"if the Zfh or Zvfh extension is implemented" (both the latest and the
oldest editions are checked).
This fact was not reflected in Binutils ('Zvfh' implies 'Zfhmin', not full
'Zfh' extension and "fli.h" required 'Zfh' and 'Zfa' extensions).
This commit makes "fli.h" also available when both 'Zfa' and 'Zvfh'
extensions are implemented.
bfd/ChangeLog:
* elfxx-riscv.c (riscv_multi_subset_supports): Add new
instruction class handling.
(riscv_multi_subset_supports_ext): Likewise.
gas/ChangeLog:
* testsuite/gas/riscv/zfa-zvfh.s: New test.
* testsuite/gas/riscv/zfa-zvfh.d: Ditto.
include/ChangeLog:
* opcode/riscv.h (enum riscv_insn_class): Add new instruction
class.
opcodes/ChangeLog:
* riscv-opc.c (riscv_opcodes): Change instruction class of "fli.h"
from INSN_CLASS_ZFH_AND_ZFA to new INSN_CLASS_ZFH_OR_ZVFH_AND_ZFA.
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This commit adds 'Zihintntl' extension and its hint instructions.
This is based on:
<https://github.com/riscv/riscv-isa-manual/commit/0dc91f505e6da7791d5a733c553e6e2506ddcab5>,
the first ISA Manual noting that the 'Zihintntl' extension is ratified.
Note that compressed 'Zihintntl' hints require either 'C' or
'Zca' extension.
Co-authored-by: Nelson Chu <nelson@rivosinc.com>
bfd/ChangeLog:
* elfxx-riscv.c (riscv_supported_std_z_ext): Add 'Zihintntl'
standard hint 'Z' extension.
(riscv_multi_subset_supports): Support new instruction classes.
(riscv_multi_subset_supports_ext): Likewise.
gas/ChangeLog:
* testsuite/gas/riscv/zihintntl.s: New test for 'Zihintntl'
including auto-compression without C prefix and explicit C prefix.
* testsuite/gas/riscv/zihintntl.d: Likewise.
* testsuite/gas/riscv/zihintntl-na.d: Likewise.
* testsuite/gas/riscv/zihintntl-base.s: New test for correspondence
between 'Zihintntl' and base 'I' or 'C' instructions.
* testsuite/gas/riscv/zihintntl-base.d: Likewise.
include/ChangeLog:
* opcode/riscv.h (enum riscv_insn_class): Add new instruction
classes: INSN_CLASS_ZIHINTNTL and INSN_CLASS_ZIHINTNTL_AND_C.
(MASK_NTL_P1, MATCH_NTL_P1, MASK_NTL_PALL,
MATCH_NTL_PALL, MASK_NTL_S1, MATCH_NTL_S1, MASK_NTL_ALL,
MATCH_NTL_ALL, MASK_C_NTL_P1, MATCH_C_NTL_P1, MASK_C_NTL_PALL,
MATCH_C_NTL_PALL, MASK_C_NTL_S1, MATCH_C_NTL_S1, MASK_C_NTL_ALL,
MATCH_C_NTL_ALL): New.
opcodes/ChangeLog:
* riscv-opc.c (riscv_opcodes): Add instructions from the
'Zihintntl' extension.
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The longest register name is 4 characters (plus a nul one), so using a
4- or 8-byte pointer to get at it is neither space nor time efficient.
Embed the names right into the array. For PIE this also reduces the
number of base relocations in the final image.
To avoid old gcc, when generating 32-bit code, bogusly warning about
bounds being exceeded in the code processing Cs/Cw, Ct/Cx, and CD,
an adjustment to EXTRACT_BITS() is needed: This macro shouldn't supply
a 64-bit value, and it also doesn't need to - all operand fields to
date are far more narrow than 32 bits. This in turn allows dropping a
number of casts elsewhere.
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The longest register name is 5 characters (plus a nul one), so using a
4- or 8-byte pointer to get at it is neither space nor time efficient.
Embed the names right into the array. For PIE this also reduces the
number of base relocations in the final image.
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No one should be using versions of dejagnu without prune_warnings,
which was available in 1996 (dejagnu-1.3).
binutils/
* testsuite/lib/binutils-common.exp: Remove fallback prune_warnings.
gas/
* testsuite/lib/gas-defs.exp: Remove fallback prune_warnings.
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Tidy comment formatting.
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PR 30715
* config/tc-vax.c (md_create_long_jump): Use pc-relative addressing.
* testsuite/gas/vax/broken_word.d,
* testsuite/gas/vax/broken_word.s: New test.
* testsuite/gas/vax/vax.exp: Run it.
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This regenerates config files changed by the previous 44 commits.
Note that subject lines in these commits mostly match the gcc git
originating commit.
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It's not documented anyway, and having it makes no sense anymore with
obj_elf_section_word() now being TC_SPARC-only. In any event the x86
backing function was dead code.
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The table constantly growing in two dimensions (number of table entries
times number of ISA extension flags) doesn't scale very well. Use a more
compact representation: Only identifiers which need to combine with
other identifiers retain individual flag bits. All others are combined
into an enum, with a new helper added to transform the table entries
into the original i386_cpu_flags layout. This way the table in the final
binary shrinks by almost a third (the generated source code shrinks by
about half), and isn't likely to grow again in that dimension any time
soon.
While moving the 3DNow! fields, drop the stray inner 'a' from their
names.
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This patch adds support for the Cortex-A520 CPU to gas.
No regressions on aarch64-none-elf.
gas/ChangeLog:
* NEWS: Update docs.
* config/tc-aarch64.c: Add Cortex-A520.
* doc/c-aarch64.texi: Update docs.
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The 32-bit non-fetching atomic instructions treat the source register as
32-bits, which means in the pseudo-c syntax the "w" registers should be
used rather than the "r" registers.
opcodes/
* bpf-opc-c (bpf_opcodes): Use %sw for AAD32, AOR32, AAND32
and AXOR32 pseudo-c dialect asm templates.
gas/
* testsuite/gas/bpf/atomic-be-pseudoc.d: Use "w" for source reg
in non-fetching 32-bit atomic instructions.
* testsuite/gas/bpf/atomic-pseudoc.d: Likewise.
* testsuite/gas/bpf/atomic-pseudoc.s: Likewise.
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These were renamed from bfd_read and bfd_write back in 2001 when they
lost an unnecessary parameter. Rename them back, and get rid of a few
casts that are only needed without prototyped functions (K&R C).
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The -D flag should enable "debugging"
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In function 'memset',
inlined from 'create_unwind_entry' at /home/alan/src/binutils-gdb/gas/config/tc-arm.c:27881:3:
/usr/include/bits/string_fortified.h:59:10: error: '__builtin_memset' specified size between 2147483652 and 4294967295 exceeds maximum object size 2147483647 [-Werror=stringop-overflow=]
59 | return __builtin___memset_chk (__dest, __ch, __len,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
60 | __glibc_objsize0 (__dest));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
* config/tc-arm.c (create_unwind_entry): Return after bad size,
and bad opcode count.
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* config/tc-xtensa.c (xtensa_add_config_info): Use auto buffer
rather than malloc. Use sprintf return value.
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This reverts commit 675b9d612cc59446e84e2c6d89b45500cb603a8d.
See https://sourceware.org/pipermail/binutils/2023-August/128761.html.
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PR 28909
Sadly "cp -p", doing more than just preserving the time stamp, can fail
e.g. upon trying to preserve ownership (which we don't care about), as
can be observed on e.g. Cygwin. Replace the use of -p by a use of touch,
this way also only preserving modification time.
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gas/ChangeLog:
* testsuite/gas/riscv/rouding-fail.s: Moved to...
* testsuite/gas/riscv/rounding-fail.s: ...here.
* testsuite/gas/riscv/rouding-fail.d: Moved to...
* testsuite/gas/riscv/rounding-fail.d: ...here.
* testsuite/gas/riscv/rouding-fail.l: Moved to...
* testsuite/gas/riscv/rounding-fail.l: ...here.
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This patch adds support for EF_BPF_CPUVER bits in the ELF
machine-dependent header flags. These bits encode the BPF CPU
version for which the object file has been compiled for.
The BPF assembler is updated so it annotates the object files it
generates with these bits.
The BPF disassembler is updated so it honors EF_BPF_CPUVER to use the
appropriate ISA version if the user didn't specify an explicit ISA
version in the command line. Note that a value of zero in
EF_BPF_CPUVER is interpreted by the disassembler as "use the later
supported version" (the BPF CPU versions start with v1.)
The readelf utility is updated to pretty print EF_BPF_CPUVER when it
prints out the ELF header:
$ readelf -h a.out
ELF Header:
...
Flags: 0x4, CPU Version: 4
Tested in bpf-unknown-none.
include/ChangeLog:
2023-07-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* elf/bpf.h (EF_BPF_CPUVER): Define.
* opcode/bpf.h (BPF_XBPF): Change from 0xf to 0xff so it fits in
EF_BPF_CPUVER.
binutils/ChangeLog:
2023-07-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* readelf.c (get_machine_flags): Recognize and pretty print BPF
machine flags.
opcodes/ChangeLog:
2023-07-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* bpf-dis.c: Initialize asm_bpf_version to -1.
(print_insn_bpf): Set BPF ISA version from the cpu version ELF
header flags if no explicit version set in the command line.
* disassemble.c (disassemble_init_for_target): Remove unused code.
gas/ChangeLog:
2023-07-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/tc-bpf.h (elf_tc_final_processing): Define.
* config/tc-bpf.c (bpf_elf_final_processing): New function.
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This patch makes the BPF assembler to throughfully check for overflow
in immediates. This includes relaxed instructions.
Tested in bpf-unknown-none.
gas/ChangeLog:
2023-07-30 Jose E. Marchesi <jose.marchesi@oracle.com>
* config/tc-bpf.c (signed_overflow): Copy function from
tc-aarch64.c.
(encode_insn): Check for overflow in constant immediates.
(add_relaxed_insn): Pass relax argument to encode_insn.
(add_fixed_insn): Likewise.
* testsuite/gas/bpf/disp16-overflow.d: New file.
* testsuite/gas/bpf/disp16-overflow.s: Likewise.
* testsuite/gas/bpf/disp16-overflow.l: Likewise.
* testsuite/gas/bpf/disp32-overflow.d: Likewise.
* testsuite/gas/bpf/disp32-overflow.s: Likewise.
* testsuite/gas/bpf/disp32-overflow.l: Likewise.
* testsuite/gas/bpf/imm32-overflow.d: Likewise.
* testsuite/gas/bpf/imm32-overflow.s: Likewise.
* testsuite/gas/bpf/imm32-overflow.l: Likewise.
* testsuite/gas/bpf/offset16-overflow.d: Likewise.
* testsuite/gas/bpf/offset16-overflow.s: Likewise.
* testsuite/gas/bpf/offset16-overflow.l: Likewise.
* testsuite/gas/bpf/disp16-overflow-relax.d: Likewise.
* testsuite/gas/bpf/disp16-overflow-relax.l: Likewise.
* testsuite/gas/bpf/disp16-overflow-relax.s: Likewise.
* testsuite/gas/bpf/jump-relax-jump-be.d: New file.
* testsuite/gas/bpf/bpf.exp: Run new tests.
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|
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The BPF jump-always instruction (JA), like all other jump instructions
in the ISA, get a signed 16-bit displacement target argument denoted
in number of 64-bit words minus one. This can sometimes be overflown.
The BPF V4 ISA thus introduced support for a jump-always
instruction (JAL) that gets a signed 32-bit displacement instead.
This patch makes the BPF assembler to perform the following
relaxations when the disp16 field gets overflown, unless the option
-mno-relax is specified:
JA disp16 -> JAL disp32
Jxx disp16 -> Jxx +1; JA +1; JAL disp32
Documentation and tests added.
Tested in bpf-unknown-none.
gas/ChangeLog:
2023-07-28 Jose E. Marchesi <jose.marchesi@oracle.com>
PR gas/30690
* config/tc-bpf.c (struct bpf_insn): Add fields is_relaxable and
relaxed_exp.
(enum options): Add OPTION_NO_RELAX.
(md_longopts): Likewise for -mno-relax.
(do_relax): New global.
(md_parse_option): Handle OPTION_NO_RELAX.
(RELAX_BRANCH_ENCODE): Define.
(RELAX_BRANCH_P): Likewise.
(RELAX_BRANCH_LENGTH): Likewise.
(RELAX_BRANCH_CONST): Likewise.
(RELAX_BRANCH_UNCOND): Likewise.
(relaxed_branch_length): New function.
(md_estimate_size_before_relax): Likewise.
(read_insn_word): Likewise.
(encode_int16): Likewise.
(encode_int32): Likewise.
(write_insn_bytes): Likewise.
(md_convert_frag): Likewise.
(encode_insn): Likewise.
(install_insn_fixups): Likewise.
(add_fixed_insn): Likewise.
(add_relaxed_insn): Likewise.
(md_assemble): Move instruction encoding logic to the above
new functions.
* testsuite/gas/bpf/jump-relax-ja.d: New test.
* testsuite/gas/bpf/jump-relax-ja-be.d: Likewise.
* testsuite/gas/bpf/jump-relax-ja.s: And corresponding source.
* testsuite/gas/bpf/jump-relax-jump.d: New test.
* testsuite/gas/bpf/jump-relax-jump-be.d: Likewise.
* testsuite/gas/bpf/jump-relax-jump.s: And corresponding source.
* testsuite/gas/bpf/bpf.exp: Run new tests.
* doc/c-bpf.texi (BPF Options): Document -mno-relax.
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PR gas/30688
X_unsigned being clear does not indicate a negative number; it merely
indicates a signed one (whose sign may still be clear). Amend two uses
by an actual value check.
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Make the n64 ABI the default for 64-bit Linux targets specified with
`-gnuabi64' suffix included in the target triplet, for configurations
such as the Debian mips64el and mips64r6el ports. Adjust testsuite
configuration accordingly.
There are the following regressions with the new target triplet:
mips64-linux-gnuabi64 +FAIL: readelf -S bintest
mips64-linux-gnuabi64 +FAIL: MIPS reloc estimation 1
mips64el-linux-gnuabi64 +FAIL: readelf -S bintest
mips64el-linux-gnuabi64 +FAIL: MIPS reloc estimation 1
The `readelf' issue comes from a difference in section headers produced
that the `binutils/testsuite/binutils-all/readelf.s-64' pattern template
does not match. While there has been a precedent it does not appear to
me that there is a clear advantage from adding more and more variations
to the template rather than forking the existing template into multiple
ones for a more exact match. So this is best deferred to a separate
discussion.
The MIPS reloc estimation issue is an actual bug in `objdump', which
discards a number of trailing entries from output here for n64 composed
relocations:
DYNAMIC RELOCATION RECORDS
OFFSET TYPE VALUE
0000000000000000 R_MIPS_NONE *ABS*
0000000000000000 R_MIPS_NONE *ABS*
and consequently `ld/testsuite/ld-mips-elf/reloc-estimate-1.d' does not
match even though ELF output produced is correct according to `readelf':
Relocation section '.rel.dyn' at offset 0x10400 contains 2 entries:
Offset Info Type Sym. Value Sym. Name
000000000000 000000000000 R_MIPS_NONE
Type2: R_MIPS_NONE
Type3: R_MIPS_NONE
000000010000 000300001203 R_MIPS_REL32 0000000000010010 foo@@V2
Type2: R_MIPS_64
Type3: R_MIPS_NONE
As a genuine bug this has to be handled separately.
Co-Authored by: Maciej W. Rozycki <macro@orcam.me.uk>
bfd/
* config.bfd: Add `mips64*el-*-linux*-gnuabi64' and
`mips64*-*-linux*-gnuabi64' targets.
binutils/
* testsuite/binutils-all/mips/mips.exp: Handle `*-*-*-gnuabi64'
targets.
* testsuite/binutils-all/objcopy.exp: Handle
`mips64*-*-*-gnuabi64' targets.
* testsuite/binutils-all/remove-relocs-01.d: Likewise.
* testsuite/binutils-all/remove-relocs-04.d: Likewise.
* testsuite/binutils-all/remove-relocs-05.d: Likewise.
* testsuite/binutils-all/remove-relocs-06.d: Likewise.
gas/
* configure.ac: Handle `mips64*-linux-gnuabi64' targets.
* configure: Regenerate.
* testsuite/gas/mips/compact-eh-eb-7.d: Handle
`mips64*-*-*-gnuabi64' targets.
* testsuite/gas/mips/compact-eh-el-7.d: Likewise.
ld/
* configure.tgt: Add `mips64*el-*-linux-gnuabi64' and
`mips64*-*-linux-gnuabi64' targets.
* testsuite/ld-undefined/undefined.exp: Handle
`mips64*-*-*-gnuabi64' targets.
* testsuite/ld-mips-elf/attr-gnu-4-10.d: Likewise.
* testsuite/ld-mips-elf/compact-eh6.d: Likewise.
* testsuite/ld-mips-elf/mips-elf.exp: Handle `*-*-*-gnuabi64'
targets.
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Expect a `.MIPS.options' section alternatively to `.reginfo' and ignore
contents of either as irrelevant for all the affected compact EH tests,
removing these regressions:
mips64-openbsd -FAIL: Compact EH EB #1 with personality ID and FDE data
mips64-openbsd -FAIL: Compact EH EB #2 with personality routine and FDE data
mips64-openbsd -FAIL: Compact EH EB #3 with personality id and large FDE data
mips64-openbsd -FAIL: Compact EH EB #4 with personality id, FDE data and LSDA
mips64-openbsd -FAIL: Compact EH EB #5 with personality routine, FDE data and LSDA
mips64-openbsd -FAIL: Compact EH EB #6 with personality id, LSDA and large FDE data
mips64-openbsd -FAIL: Compact EH EL #1 with personality ID and FDE data
mips64-openbsd -FAIL: Compact EH EL #2 with personality routine and FDE data
mips64-openbsd -FAIL: Compact EH EL #3 with personality id and large FDE data
mips64-openbsd -FAIL: Compact EH EL #4 with personality id, FDE data and LSDA
mips64-openbsd -FAIL: Compact EH EL #5 with personality routine, FDE data and LSDA
mips64-openbsd -FAIL: Compact EH EL #6 with personality id, LSDA and large FDE data
mips64el-openbsd -FAIL: Compact EH EB #1 with personality ID and FDE data
mips64el-openbsd -FAIL: Compact EH EB #2 with personality routine and FDE data
mips64el-openbsd -FAIL: Compact EH EB #3 with personality id and large FDE data
mips64el-openbsd -FAIL: Compact EH EB #4 with personality id, FDE data and LSDA
mips64el-openbsd -FAIL: Compact EH EB #5 with personality routine, FDE data and LSDA
mips64el-openbsd -FAIL: Compact EH EB #6 with personality id, LSDA and large FDE data
mips64el-openbsd -FAIL: Compact EH EL #1 with personality ID and FDE data
mips64el-openbsd -FAIL: Compact EH EL #2 with personality routine and FDE data
mips64el-openbsd -FAIL: Compact EH EL #3 with personality id and large FDE data
mips64el-openbsd -FAIL: Compact EH EL #4 with personality id, FDE data and LSDA
mips64el-openbsd -FAIL: Compact EH EL #5 with personality routine, FDE data and LSDA
mips64el-openbsd -FAIL: Compact EH EL #6 with personality id, LSDA and large FDE data
Co-Authored-By: Maciej W. Rozycki <macro@orcam.me.uk>
gas/
* testsuite/gas/mips/compact-eh-eb-1.d: Accept `.MIPS.options'
section as an alternative to `.reginfo' and ignore contents of
either.
* testsuite/gas/mips/compact-eh-eb-2.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-3.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-4.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-5.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-6.d: Likewise.
* testsuite/gas/mips/compact-eh-el-1.d: Likewise.
* testsuite/gas/mips/compact-eh-el-2.d: Likewise.
* testsuite/gas/mips/compact-eh-el-3.d: Likewise.
* testsuite/gas/mips/compact-eh-el-4.d: Likewise.
* testsuite/gas/mips/compact-eh-el-5.d: Likewise.
* testsuite/gas/mips/compact-eh-el-6.d: Likewise.
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|
MIPS n64 ABI has a peculiarity where all relocations are composed of
three, with subsequent relocation types set to R_MIPS_NONE if further
calculation is not required. Example output produced by `readelf' and
`objdump' for such relocations is:
Offset Info Type Sym. Value Sym. Name + Addend
000000000000 000800000002 R_MIPS_32 0000000000000000 foo + 0
Type2: R_MIPS_NONE
Type3: R_MIPS_NONE
and:
OFFSET TYPE VALUE
0000000000000000 R_MIPS_32 foo
0000000000000000 R_MIPS_NONE *ABS*
0000000000000000 R_MIPS_NONE *ABS*
respectively. The presence of these extra R_MIPS_NONE entries is not
relevant for generic or even some MIPS tests, so optionally match them
with the respective dump patterns, also discarding `xfail' annotation
for MIPS/OpenBSD targets from gas/elf/missing-build-notes.d, removing
these regressions:
mips64-openbsd -FAIL: readelf -r bintest
mips64-openbsd -FAIL: forward expression
mips64-openbsd -FAIL: assignment tests
mips64-openbsd -FAIL: gas/all/none
mips64-openbsd -XFAIL: gas/elf/missing-build-notes
mips64-openbsd -FAIL: macro test 2
mips64-openbsd -FAIL: macro irp
mips64-openbsd -FAIL: macro rept
mips64-openbsd -FAIL: nested irp/irpc/rept
mips64-openbsd -FAIL: macro vararg
mips64-openbsd -FAIL: mips jalx
mips64-openbsd -FAIL: ST Microelectronics Loongson-2F workarounds of Jump Instruction issue
mips64el-openbsd -FAIL: readelf -r bintest
mips64el-openbsd -FAIL: forward expression
mips64el-openbsd -FAIL: assignment tests
mips64el-openbsd -FAIL: gas/all/none
mips64el-openbsd -XFAIL: gas/elf/missing-build-notes
mips64el-openbsd -FAIL: macro test 2
mips64el-openbsd -FAIL: macro irp
mips64el-openbsd -FAIL: macro rept
mips64el-openbsd -FAIL: nested irp/irpc/rept
mips64el-openbsd -FAIL: macro vararg
mips64el-openbsd -FAIL: mips jalx
mips64el-openbsd -FAIL: ST Microelectronics Loongson-2F workarounds of Jump Instruction issue
Co-Authored-By: Maciej W. Rozycki <macro@orcam.me.uk>
binutils/
* testsuite/binutils-all/readelf.r-64: Optionally match extra
R_MIPS_NONE pairs.
gas/
* testsuite/gas/all/assign.d: Optionally match extra
R_MIPS_NONE pairs.
* testsuite/gas/all/fwdexp.d: Likewise.
* testsuite/gas/all/none.d: Likewise.
* testsuite/gas/macros/irp.d: Likewise.
* testsuite/gas/macros/repeat.d: Likewise.
* testsuite/gas/macros/rept.d: Likewise.
* testsuite/gas/macros/test2.d: Likewise.
* testsuite/gas/macros/vararg.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-1.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-2.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-3.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-4.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-5.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-6.d: Likewise.
* testsuite/gas/mips/compact-eh-el-1.d: Likewise.
* testsuite/gas/mips/compact-eh-el-2.d: Likewise.
* testsuite/gas/mips/compact-eh-el-3.d: Likewise.
* testsuite/gas/mips/compact-eh-el-4.d: Likewise.
* testsuite/gas/mips/compact-eh-el-5.d: Likewise.
* testsuite/gas/mips/compact-eh-el-6.d: Likewise.
* testsuite/gas/mips/loongson-2f-3.d: Likewise.
* testsuite/gas/mips/mips-jalx.d: Likewise.
* testsuite/gas/elf/missing-build-notes.d: Likewise. Remove
the `xfail' tag.
ld/
* testsuite/ld-mips-elf/reloc-estimate-1.d: Optionally match
extra R_MIPS_NONE pairs.
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|
Several MIPS test cases are suitable for the n64 ABI if not for the
extra leading zeros or spaces in addresses not handled by dump patterns.
Match the characters then, removing these regressions:
mips64-openbsd -FAIL: .set arch=FOO
mips64-openbsd -FAIL: ST Microelectronics Loongson-2F workarounds of nop issue
mips64-openbsd -FAIL: MIPS DSP ASE for MIPS64
mips64-openbsd -FAIL: gas/mips/align2
mips64-openbsd -FAIL: gas/mips/align2-el
mips64-openbsd -FAIL: Locally-resolvable PC-relative code references
mips64-openbsd -FAIL: MIPS jalx-1
mips64-openbsd -FAIL: JAL overflow 2
mips64el-openbsd -FAIL: .set arch=FOO
mips64el-openbsd -FAIL: ST Microelectronics Loongson-2F workarounds of nop issue
mips64el-openbsd -FAIL: MIPS DSP ASE for MIPS64
mips64el-openbsd -FAIL: gas/mips/align2
mips64el-openbsd -FAIL: gas/mips/align2-el
mips64el-openbsd -FAIL: Locally-resolvable PC-relative code references
mips64el-openbsd -FAIL: MIPS jalx-1
mips64el-openbsd -FAIL: JAL overflow 2
Co-Authored-By: Maciej W. Rozycki <macro@orcam.me.uk>
gas/
* testsuite/gas/mips/align2-el.d: Match extra leading zeros
with addresses.
* testsuite/gas/mips/align2.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-1.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-2.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-3.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-4.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-5.d: Likewise.
* testsuite/gas/mips/compact-eh-eb-6.d: Likewise.
* testsuite/gas/mips/compact-eh-el-1.d: Likewise.
* testsuite/gas/mips/compact-eh-el-2.d: Likewise.
* testsuite/gas/mips/compact-eh-el-3.d: Likewise.
* testsuite/gas/mips/compact-eh-el-4.d: Likewise.
* testsuite/gas/mips/compact-eh-el-5.d: Likewise.
* testsuite/gas/mips/compact-eh-el-6.d: Likewise.
* testsuite/gas/mips/loongson-2f-2.d: Likewise.
* testsuite/gas/mips/loongson-2f-3.d: Likewise.
* testsuite/gas/mips/mips-jalx.d: Likewise.
* testsuite/gas/mips/mips64-dsp.d: Likewise.
* testsuite/gas/mips/pcrel-1.d: Likewise.
* testsuite/gas/mips/set-arch.d: Likewise.
ld/
* testsuite/ld-mips-elf/jaloverflow-2.d: Match extra leading
zeros and spaces with addresses as appropriate.
* testsuite/ld-mips-elf/jalx-1.d: Likewise.
* testsuite/ld-mips-elf/reloc-estimate-1.d: Likewise.
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|
A few GAS tests expect to be assembled with 32-bit addressing, otherwise
causing an assembly warning:
.../gas/testsuite/gas/mips/fix-rm7000-2.s:11: Warning: la used to load 64-bit address; recommend using dla instead
or pattern dump mismatches against 32-bit address calculations, however
these tests do not enforce their expectation in any. For none of them
the specific ABI used is of any relevance however, so select the o32 ABI
unconditionally, removing these failures with OpenBSD targets:
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (micromips)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips3)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips4)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips5)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r2)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r3)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r5)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon2)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon3)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeonp)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (r4000)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (sb1)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (vr5400)
mips64-openbsd -FAIL: MIPS RM7000 workarounds test 2 (xlr)
mips64-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeon2)
mips64-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeon3)
mips64-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeonp)
mips64-openbsd -FAIL: Full MIPS R5900
mips64-openbsd -FAIL: MIPS R5900 VU0
mips64-openbsd -FAIL: Paired LL/SC for mips64r6 (mips64r6)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (micromips)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips3)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips4)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips5)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r2)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r3)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (mips64r5)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon2)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeon3)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (octeonp)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (r4000)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (sb1)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (vr5400)
mips64el-openbsd -FAIL: MIPS RM7000 workarounds test 2 (xlr)
mips64el-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeon2)
mips64el-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeon3)
mips64el-openbsd -FAIL: MIPS-OCTEON octeon_saa_saad (octeonp)
mips64el-openbsd -FAIL: Full MIPS R5900
mips64el-openbsd -FAIL: MIPS R5900 VU0
mips64el-openbsd -FAIL: Paired LL/SC for mips64r6 (mips64r6)
Co-Authored-By: Maciej W. Rozycki <macro@orcam.me.uk>
gas/
* testsuite/gas/mips/fix-rm7000-2.d: Add `-32' to the `as' tag.
* testsuite/gas/mips/micromips@fix-rm7000-2.d: Likewise.
* testsuite/gas/mips/r5900-full.d: Likewise.
* testsuite/gas/mips/r5900-vu0.d: Likewise.
* testsuite/gas/mips/llpscp-64.d: Add `as' tag with `-32'.
* testsuite/gas/mips/octeon-saa-saad.d: Likewise.
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Compact EH #7 tests use output templates that are not suitable for the
n64 ABI, which `mips64*-*-openbsd*' targets use by default, because the
contents of the sections examined are expected to be differnt. Disable
the tests then, removing these regressions:
mips64-openbsd -FAIL: Compact EH EB #7 with personality id and fallback FDE
mips64-openbsd -FAIL: Compact EH EL #7 with personality id and fallback FDE
mips64el-openbsd -FAIL: Compact EH EB #7 with personality id and fallback FDE
mips64el-openbsd -FAIL: Compact EH EL #7 with personality id and fallback FDE
Suitable corresponding tests for the n64 ABI can be added separately.
gas/
* testsuite/gas/mips/compact-eh-eb-7.d: Exclude for
`mips64*-*-openbsd*'.
* testsuite/gas/mips/compact-eh-el-7.d: Likewise.
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|
This reverts commit 32f1c80375ebe8ad25d9805ee5889f0006c51e59. It had
two unrelated changes lumped together, one of which changed the meaning
of the `mipsisa64*-*-linux*' target triplets, which was not properly
evaluated.
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* testsuite/gas/i386/sha512-intel.d: Accept section nop padding.
* testsuite/gas/i386/sha512.d: Likewise.
* testsuite/gas/i386/sm3-intel.d: Likewise.
* testsuite/gas/i386/sm3.d: Likewise.
* testsuite/gas/i386/x86-64-pbndkb-intel.d: Likewise.
* testsuite/gas/i386/x86-64-pbndkb.d: Likewise.
* testsuite/gas/i386/x86-64-sha512-intel.d: Likewise.
* testsuite/gas/i386/x86-64-sha512.d: Likewise.
* testsuite/gas/i386/x86-64-sm3-intel.d: Likewise.
* testsuite/gas/i386/x86-64-sm3.d: Likewise.
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Seen when running gas/testsuite/gas/sh/err-at.s
* config/tc-sh.c (get_operands): Always init operand type.
* testsuite/gas/sh/err-at.s: Expect unnecessary extra errors.
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gas/ChangeLog:
* NEWS: Support Intel PBNDKB.
* config/tc-i386.c: Add pbndkb.
* doc/c-i386.texi: Document .pbndkb.
* testsuite/gas/i386/i386.exp: Add PBNDKB tests.
* testsuite/gas/i386/x86-64.exp: Ditto.
* testsuite/gas/i386/pbndkb-inval.l: New test.
* testsuite/gas/i386/pbndkb-inval.s: Ditto.
* testsuite/gas/i386/x86-64-pbndkb-intel.d: Ditto.
* testsuite/gas/i386/x86-64-pbndkb.d: Ditto.
* testsuite/gas/i386/x86-64-pbndkb.s: Ditto.
opcodes/ChangeLog:
* i386-dis.c (X86_64_0F01_REG_0_MOD_3_RM_7): New.
(X86_64_0F01_REG_0_MOD_3_RM_7_P_0): Ditto.
(prefix_table): Add PREFIX_0F01_REG_0_MOD_3_RM_7.
(x86_64_table): Add X86_64_0F01_REG_0_MOD_3_RM_7_P_0.
(rm_table): New entry for pbndkb.
* i386-gen.c (cpu_flag): Add PBNDKB.
* i386-init.h: Regenerated.
* i386-mnem.h: Ditto.
* i386-opc.h (CpuPBNDKB): New.
(i386_cpu_flags): Add cpupbndkb.
* i386-opc.tbl: Add PBNDKB instructions.
* i386-tbl.h: Regenerated.
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gas/ChangeLog:
* NEWS: Support Intel SM4.
* config/tc-i386.c: Add sm4.
* doc/c-i386.texi: Document .sm4.
* testsuite/gas/i386/i386.exp: Run SM4 tests.
* testsuite/gas/i386/x86-64.exp: Ditto.
* testsuite/gas/i386/sm4-intel.d: Add SM4 tests.
* testsuite/gas/i386/sm4.d: Ditto.
* testsuite/gas/i386/sm4.s: Ditto.
* testsuite/gas/i386/x86-64-sm4-intel.d: Ditto.
* testsuite/gas/i386/x86-64-sm4.d: Ditto.
* testsuite/gas/i386/x86-64-sm4.s: Ditto.
opcodes/ChangeLog:
* i386-dis.c (prefix_table): Add SM4 instructions.
* i386-gen.c (isa_dependencies): Add SM4.
(cpu_flags): Ditto.
* i386-init.h: Regenerated.
* i386-mnem.h: Ditto.
* i386-opc.h (CpuSM4): New.
(i386_cpu_flags): Add cpusm4.
* i386-opc.tbl: Add SM4 instructions.
* i386-tbl.h: Regenerated.
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