21de01f555
Hi all, As Hongtao said, the fail on pentiumpro is caused by missing ISA check since we are using emit_insn () through new builtins and it won't check if the TARGET matches. Previously, the builtin in middle-end will check that. On pentiumpro, we won't have anything that supports any prefetch so that it dropped into the pattern and then failed. I have added the restrictions just like what middle-end builtin_prefetch does. Also I added missing checks for PREFETCHI. Ok for trunk? BRs, Haochen gcc/ChangeLog: * config/i386/i386-builtin.def (BDESC): Add OPTION_MASK_ISA2_PREFETCHI for prefetchi builtin. * config/i386/i386-expand.cc (ix86_expand_builtin): Add ISA check before emit_insn. * config/i386/prfchiintrin.h: Add target for intrin. gcc/testsuite/ChangeLog: * gcc.target/i386/prefetchi-5.c: New test. |
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