diff options
| author | jasonwucj <jasonwucj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-13 05:17:54 +0000 |
|---|---|---|
| committer | jasonwucj <jasonwucj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-13 05:17:54 +0000 |
| commit | da2e70a9ce3679a777391dc426b6454106483f60 (patch) | |
| tree | 7378dca118ac738e565a0f11a6561f0b7b847d0d /gcc/config/nds32 | |
| parent | 8624ddf65be5bbf20a20a3f6692f105c1f35ce09 (diff) | |
| download | gcc-da2e70a9ce3679a777391dc426b6454106483f60.tar.gz | |
[NDS32] Add -mcmodel= option to support different code model.
* config/nds32/nds32.opt (mcmodel): Add new option.
* config/nds32/nds32-opts.h (nds32_cmodel_type): Add new enum type
to describe code model.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219509 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/nds32')
| -rw-r--r-- | gcc/config/nds32/nds32-opts.h | 8 | ||||
| -rw-r--r-- | gcc/config/nds32/nds32.opt | 17 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gcc/config/nds32/nds32-opts.h b/gcc/config/nds32/nds32-opts.h index 3f244874621..1aa0d31dff4 100644 --- a/gcc/config/nds32/nds32-opts.h +++ b/gcc/config/nds32/nds32-opts.h @@ -32,4 +32,12 @@ enum nds32_arch_type ARCH_V3M }; +/* The code model defines the address generation strategy. */ +enum nds32_cmodel_type +{ + CMODEL_SMALL, + CMODEL_MEDIUM, + CMODEL_LARGE +}; + #endif diff --git a/gcc/config/nds32/nds32.opt b/gcc/config/nds32/nds32.opt index 53928b57efc..346c9c073f1 100644 --- a/gcc/config/nds32/nds32.opt +++ b/gcc/config/nds32/nds32.opt @@ -82,6 +82,23 @@ Enum(nds32_arch_type) String(v3) Value(ARCH_V3) EnumValue Enum(nds32_arch_type) String(v3m) Value(ARCH_V3M) +mcmodel= +Target RejectNegative Joined Enum(nds32_cmodel_type) Var(nds32_cmodel_option) Init(CMODEL_MEDIUM) +Specify the address generation strategy for code model. + +Enum +Name(nds32_cmodel_type) Type(enum nds32_cmodel_type) +Known cmodel types (for use with the -mcmodel= option): + +EnumValue +Enum(nds32_cmodel_type) String(small) Value(CMODEL_SMALL) + +EnumValue +Enum(nds32_cmodel_type) String(medium) Value(CMODEL_MEDIUM) + +EnumValue +Enum(nds32_cmodel_type) String(large) Value(CMODEL_LARGE) + mforce-fp-as-gp Target Report Mask(FORCE_FP_AS_GP) Prevent $fp being allocated during register allocation so that compiler is able to force performing fp-as-gp optimization. |