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| author | Chenghua Xu <paul.hua.gm@gmail.com> | 2018-11-07 08:42:59 +0000 |
|---|---|---|
| committer | Chenghua Xu <paulhua@gcc.gnu.org> | 2018-11-07 08:42:59 +0000 |
| commit | d6319811c1af2f2a36a83d2079eb986154060e60 (patch) | |
| tree | 3f722255f7e301897a38a5bbf0aa031b62f652fc /gcc/doc/invoke.texi | |
| parent | 375899d9e47d03f3f2fe6aa6c854ddc855f94d76 (diff) | |
| download | gcc-d6319811c1af2f2a36a83d2079eb986154060e60.zip gcc-d6319811c1af2f2a36a83d2079eb986154060e60.tar.gz gcc-d6319811c1af2f2a36a83d2079eb986154060e60.tar.bz2 | |
Add support for Loongson EXT2 instructions.
gcc/
* config/mips/mips-protos.h
(mips_loongson_ext2_prefetch_cookie): New prototype.
* config/mips/mips.c (mips_loongson_ext2_prefetch_cookie): New.
(mips_option_override): Enable TARGET_LOONGSON_EXT when
TARGET_LOONGSON_EXT2 is true.
* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
__mips_loongson_ext2, __mips_loongson_ext_rev=2.
(ISA_HAS_CTZ_CTO): New, true if TARGET_LOONGSON_EXT2.
(ISA_HAS_PREFETCH): Include TARGET_LOONGSON_EXT and
TARGET_LOONGSON_EXT2.
(ASM_SPEC): Add mloongson-ext2 and mno-loongson-ext2.
(define_insn "ctz<mode>2"): New insn pattern.
(define_insn "prefetch"): Include TARGET_LOONGSON_EXT2.
(define_insn "prefetch_indexed_<mode>"): Include
TARGET_LOONGSON_EXT and TARGET_LOONGSON_EXT2.
* config/mips/mips.opt (-mloongson-ext2): Add option.
* gcc/doc/invoke.texi (-mloongson-ext2): Document.
gcc/testsuite/
* gcc.target/mips/loongson-ctz.c: New test.
* gcc.target/mips/loongson-dctz.c: Likewise.
* gcc.target/mips/mips.exp (mips_option_groups): Add
-mloongson-ext2 option.
From-SVN: r265864
Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 1348c13..7e5bc7e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -922,6 +922,7 @@ Objective-C and Objective-C++ Dialects}. -mmsa -mno-msa @gol -mloongson-mmi -mno-loongson-mmi @gol -mloongson-ext -mno-loongson-ext @gol +-mloongson-ext2 -mno-loongson-ext2 @gol -mfpu=@var{fpu-type} @gol -msmartmips -mno-smartmips @gol -mpaired-single -mno-paired-single -mdmx -mno-mdmx @gol @@ -21300,6 +21301,12 @@ Use (do not use) the MIPS Loongson MultiMedia extensions Instructions (MMI). @opindex mno-loongson-ext Use (do not use) the MIPS Loongson EXTensions (EXT) instructions. +@item -mloongson-ext2 +@itemx -mno-loongson-ext2 +@opindex mloongson-ext2 +@opindex mno-loongson-ext2 +Use (do not use) the MIPS Loongson EXTensions r2 (EXT2) instructions. + @item -mlong64 @opindex mlong64 Force @code{long} types to be 64 bits wide. See @option{-mlong32} for |