diff options
Diffstat (limited to 'gcc-4.9/gcc/config/mips/mips.opt')
| -rw-r--r-- | gcc-4.9/gcc/config/mips/mips.opt | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/gcc-4.9/gcc/config/mips/mips.opt b/gcc-4.9/gcc/config/mips/mips.opt index 740fdd6d8..88a08f5fc 100644 --- a/gcc-4.9/gcc/config/mips/mips.opt +++ b/gcc-4.9/gcc/config/mips/mips.opt @@ -123,6 +123,10 @@ mdspr2 Target Report Var(TARGET_DSPR2) Use MIPS-DSP REV 2 instructions +mdspr3 +Target Report Var(TARGET_DSPR3) +Use MIPS-DSP Rev 3 instructions + mdebug Target Var(TARGET_DEBUG_MODE) Undocumented @@ -199,7 +203,7 @@ Use 32-bit floating-point registers mfpxx Target Report RejectNegative Mask(FLOATXX) -Follow the O32 FPXX ABI +Conform to the o32 FPXX ABI mfp64 Target Report RejectNegative Mask(FLOAT64) @@ -431,25 +435,29 @@ Enable use of odd-numbered single-precision registers noasmopt Driver -mclib= -Target RejectNegative Joined Var(mips_c_lib) ToLower Enum(mips_lib_setting) Init(MIPS_LIB_NEWLIB) -Specify the C library to use with this application -newlib Use newlib -small Use SmallLib -tiny Use SmallLib optimised for size +mload-store-pairs +Target Report Var(TARGET_LOAD_STORE_PAIRS) Undocumented +Enable load/store bonding. + +msched-weight +Target Report Var(TARGET_SCHED_WEIGHT) Undocumented + +mcompact-branches= +Target RejectNegative JoinedOrMissing Var(mips_cb) Report Enum(mips_cb_setting) Init(MIPS_CB_OPTIMAL) +Specify the compact branch usage policy +never Only use delay slot branches +optimal Use compact branches where beneficial +always Only use compact branches Enum -Name(mips_lib_setting) Type(enum mips_lib_setting) -Known MIPS C libraries (for use with the -mclib= option): +Name(mips_cb_setting) Type(enum mips_cb_setting) +Policies available for use with -mcompact-branches= EnumValue -Enum(mips_lib_setting) String(newlib) Value(MIPS_LIB_NEWLIB) +Enum(mips_cb_setting) String(never) Value(MIPS_CB_NEVER) EnumValue -Enum(mips_lib_setting) String(small) Value(MIPS_LIB_SMALL) +Enum(mips_cb_setting) String(optimal) Value(MIPS_CB_OPTIMAL) EnumValue -Enum(mips_lib_setting) String(tiny) Value(MIPS_LIB_TINY) - -msched-weight -Target Report Var(TARGET_SCHED_WEIGHT) Undocumented +Enum(mips_cb_setting) String(always) Value(MIPS_CB_ALWAYS) |