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* config/mips/mips-protos.h (fp_register_operand, lo_operand): Declare. * config/mips/mips.c (mips_multipass_dfa_lookahead): Declare. (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): New. (fp_register_operand, lo_operand): New. (mips_rtx_costs): Add TUNE_SB1 support. (mips_issue_rate): Add comment. Add PROCESSOR_SB1 support. (mips_use_dfa_pipeline_interface): Add PROCESSOR_SB1 support. (mips_multipass_dfa_lookahead): New. * config/mips/mips.h (MASK_FP_EXCEPTIONS, TARGET_FP_EXCEPTIONS, TUNE_SB1): New. (TARGET_SWITCHES): Add -mfp-exceptions support. (TARGET_FP_EXCEPTIONS_DEFAULT): New. (BRANCH_COST): Fix whitespace. * config/mips/mips.md: Include sb1.md. * config/mips/sb1.md: New file. * doc/invoke.texi: Document -mfp-exceptions. From-SVN: r80988
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