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| /freebsd-10.2-release/contrib/llvm/patches/ | ||
| H A D | patch-r267981-llvm-r211435-fix-ppc-fctiduz.diff | diff 268065 Mon Jun 30 20:31:38 MDT 2014 dim MFC r267981: Pull in r211627 from upstream llvm trunk (by Bill Schmidt): [PPC64] Fix PR20071 (fctiduz generated for targets lacking that instruction) PR20071 identifies a problem in PowerPC's fast-isel implementation for floating-point conversion to integer. The fctiduz instruction was added in Power ISA 2.06 (i.e., Power7 and later). However, this instruction is being generated regardless of which 64-bit PowerPC target is selected. The intent is for fast-isel to punt to DAG selection when this instruction is not available. This patch implements that change. For testing purposes, the existing fast-isel-conversion.ll test adds a RUN line for -mcpu=970 and tests for the expected code generation. Additionally, the existing test fast-isel-conversion-p5.ll was found to be incorrectly expecting the unavailable instruction to be generated. I've removed these test variants since we have adequate coverage in fast-isel-conversion.ll. This is needed to compile clang with debug+asserts on older powerpc64 and ppc970 targets. Requested by: jhibbits MFC r267982: Add the llvm patch for r267981. MFC r268003: Fix breakage after r267981. Pointy hat to: dim |
| /freebsd-10.2-release/contrib/llvm/lib/Target/PowerPC/ | ||
| H A D | PPCFastISel.cpp | diff 268065 Mon Jun 30 20:31:38 MDT 2014 dim MFC r267981: Pull in r211627 from upstream llvm trunk (by Bill Schmidt): [PPC64] Fix PR20071 (fctiduz generated for targets lacking that instruction) PR20071 identifies a problem in PowerPC's fast-isel implementation for floating-point conversion to integer. The fctiduz instruction was added in Power ISA 2.06 (i.e., Power7 and later). However, this instruction is being generated regardless of which 64-bit PowerPC target is selected. The intent is for fast-isel to punt to DAG selection when this instruction is not available. This patch implements that change. For testing purposes, the existing fast-isel-conversion.ll test adds a RUN line for -mcpu=970 and tests for the expected code generation. Additionally, the existing test fast-isel-conversion-p5.ll was found to be incorrectly expecting the unavailable instruction to be generated. I've removed these test variants since we have adequate coverage in fast-isel-conversion.ll. This is needed to compile clang with debug+asserts on older powerpc64 and ppc970 targets. Requested by: jhibbits MFC r267982: Add the llvm patch for r267981. MFC r268003: Fix breakage after r267981. Pointy hat to: dim |
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