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PR target/18668 * config/i386/i386.h (x86_fisttp): New. (TARGET_FISTTP): New macro. * config/i386/i386.c (x86_fisttp): Set for NOCONA. (output_fix_trunc): Add fisttp parameter. Generate fisttp x87 instruction when fisttp flag is set. * config/i386/i386-protos.h (output_fix_trunc): Change declaration. * config/i386/i386.md (type attribute): Add fisttp. (unit attribute): Set to i387 for fisttp type. (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros. (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for TARGET_FISTTP. (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2): Generate fisttp patterns for TARGET_FISTTP. Implement using mode macros. (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp patterns for TARGET_FISTTP. Enable patterns for (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros. (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to implement fisttp x87 insn. (fix_trunc*_i387_fisttp splitters): New patterns. (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387): Rename to *fix_trunc<mode>_i387_1. Implement using mode macros. Disable patterns for TARGET_FISTTP. Add comment about FLAGS_REG clobber. (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp. Implement using mode macros. Disable patterns for TARGET_FISTTP. (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory, fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp. Implement using mode macros. Disable patterns for TARGET_FISTTP. (fix_trunc*_i387 splitters): Implement usign mode macros. (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse, fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH). (fix_trunx*_sse peephole2s): Implement using mode macros. From-SVN: r96477
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