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author | Chenghua Xu <paul.hua.gm@gmail.com> | 2018-11-07 08:35:54 +0000 |
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committer | Chenghua Xu <paulhua@gcc.gnu.org> | 2018-11-07 08:35:54 +0000 |
commit | 375899d9e47d03f3f2fe6aa6c854ddc855f94d76 (patch) | |
tree | 2999733cfb1a8bba26a48661ebf1723961f10a3f /gcc/doc | |
parent | 8ae8bad7e558ce916c52e91a4e1879557f287bbc (diff) | |
download | gcc-375899d9e47d03f3f2fe6aa6c854ddc855f94d76.zip gcc-375899d9e47d03f3f2fe6aa6c854ddc855f94d76.tar.gz gcc-375899d9e47d03f3f2fe6aa6c854ddc855f94d76.tar.bz2 |
Add support for Loongson EXT instructions.
gcc/
* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add
__mips_loongson_ext.
(MIPS_ASE_LOONGSON_EXT_SPEC): New.
(BASE_DRIVER_SELF_SPECS): march=loongson3a implies
-mloongson-ext.
(ASM_SPEC): Add mloongson-ext and mno-loongson-ext.
* config/mips/mips.md (mul<mode>3, mul<mode>3_mul3_nohilo,
<u>div<mode>3, <u>mod<mode>3, prefetch): Use TARGET_LOONGSON_EXT
instead of TARGET_LOONGSON_3A.
* config/mips/mips.opt (-mloongson-ext): Add option.
* gcc/doc/invoke.texi (-mloongson-ext): Document.
gcc/testsuite/
* gcc.target/mips/mips.exp (mips_option_groups): Add
-mloongson-ext option.
(mips-dg-options): Add mips_option_dependency options
"-mmicromips" vs "-mno-loongson-ext",
From-SVN: r265863
Diffstat (limited to 'gcc/doc')
-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 1ba91a1..1348c13 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -921,6 +921,7 @@ Objective-C and Objective-C++ Dialects}. -mmicromips -mno-micromips @gol -mmsa -mno-msa @gol -mloongson-mmi -mno-loongson-mmi @gol +-mloongson-ext -mno-loongson-ext @gol -mfpu=@var{fpu-type} @gol -msmartmips -mno-smartmips @gol -mpaired-single -mno-paired-single -mdmx -mno-mdmx @gol @@ -21293,6 +21294,12 @@ Use (do not use) the MIPS Global INValidate (GINV) instructions. @opindex mno-loongson-mmi Use (do not use) the MIPS Loongson MultiMedia extensions Instructions (MMI). +@item -mloongson-ext +@itemx -mno-loongson-ext +@opindex mloongson-ext +@opindex mno-loongson-ext +Use (do not use) the MIPS Loongson EXTensions (EXT) instructions. + @item -mlong64 @opindex mlong64 Force @code{long} types to be 64 bits wide. See @option{-mlong32} for |