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Andrew Waterman 3342be5dab RISC-V: Only relax to C.LUI when imm != 0 and rd != 0/2 
This matches the ISA specification.  This also adds two tests: one to
make sure the assembler rejects invalid 'c.lui's, and one to make sure
we only relax valid 'c.lui's.

bfd/ChangeLog

2017-10-24  Andrew Waterman  <andrew@sifive.com>

        * elfnn-riscv.c (_bfd_riscv_relax_lui): Don't relax to c.lui
        when rd is x0.

include/ChangeLog

2017-10-24  Andrew Waterman  <andrew@sifive.com>

        * opcode/riscv.h (VALID_RVC_LUI_IMM): c.lui can't load the
        immediate 0.

gas/ChangeLog

2017-10-24  Andrew Waterman  <andrew@sifive.com>

        * testsuite/gas/riscv/c-lui-fail.d: New testcase.
        gas/testsuite/gas/riscv/c-lui-fail.l: Likewise.
        gas/testsuite/gas/riscv/c-lui-fail.s: Likewise.
        gas/testsuite/gas/riscv/riscv.exp: Likewise.

ld/ChangeLog

2017-10-24  Andrew Waterman  <andrew@sifive.com>

        * ld/testsuite/ld-riscv-elf/c-lui.d: New testcase.
        ld/testsuite/ld-riscv-elf/c-lui.s: Likewise.
        ld/testsuite/ld-riscv-elf/ld-riscv-elf.exp: New test suite.
2017-10-24 08:02:46 -07:00
..
aout Fix spelling typos. 2017-07-18 16:58:14 +01:00
cgen Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
coff Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
elf FT32: support for FT32B processor - part 1 2017-10-12 18:41:29 -07:00
gdb Fix spelling typos. 2017-07-18 16:58:14 +01:00
mach-o Fix spelling typos. 2017-07-18 16:58:14 +01:00
nlm Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
opcode RISC-V: Only relax to C.LUI when imm != 0 and rd != 0/2 2017-10-24 08:02:46 -07:00
som Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
vms Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
alloca-conf.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
ansidecl.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
bfdlink.h Treat common symbol as undefined for --no-define-common 2017-08-06 08:19:04 -07:00
binary-io.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
bout.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
ChangeLog RISC-V: Only relax to C.LUI when imm != 0 and rd != 0/2 2017-10-24 08:02:46 -07:00
ChangeLog-0415 binutils ChangeLog rotation 2016-01-01 22:59:17 +10:30
ChangeLog-2016 ChangeLog rotation 2017-01-02 13:55:05 +10:30
ChangeLog-9103
COPYING
COPYING3
demangle.h Sync libiberty sources with GCC. 2017-03-13 17:49:32 +00:00
dis-asm.h binutils/objdump: Fix disassemble for huge elf sections 2017-07-14 22:51:01 +09:30
dwarf2.def LVU: dump loclists with locviews 2017-09-22 17:05:51 -03:00
dwarf2.h LVU: dump loclists with locviews 2017-09-22 17:05:51 -03:00
dyn-string.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
environ.h Fix MinGW compilation warnings due to environ.h 2017-05-31 09:35:07 +03:00
fibheap.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
filenames.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
floatformat.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
fnmatch.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
fopen-bin.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
fopen-same.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
fopen-vms.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
gcc-c-fe.def Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
gcc-c-interface.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
gcc-cp-fe.def Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
gcc-cp-interface.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
gcc-interface.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
getopt.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
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hp-symtab.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
ieee.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
leb128.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
libiberty.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
longlong.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
lto-symtab.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
MAINTAINERS Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
md5.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
oasys.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
objalloc.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
obstack.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
os9k.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
partition.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
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progress.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
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sha1.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
simple-object.h Sync libiberty/ & include/ with GCC 2017-09-15 17:40:33 +01:00
sort.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
splay-tree.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
symcat.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
timeval-utils.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
vtv-change-permission.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
xregex.h
xregex2.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
xtensa-config.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
xtensa-isa-internal.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
xtensa-isa.h Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30