forked from M-Labs/artiq
compiler: support little endian target when storing now
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ad39c76a56
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@ -150,6 +150,9 @@ class LLVMIRGenerator:
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ll.Constant(lli64, 1)
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])
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assert self.llmodule.data_layout[0] in "eE"
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self.little_endian = self.llmodule.data_layout[0] == "e"
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def needs_sret(self, lltyp, may_be_large=True):
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if isinstance(lltyp, ll.VoidType):
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return False
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@ -1156,6 +1159,8 @@ class LLVMIRGenerator:
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lltime_lo = self.llbuilder.trunc(lltime, lli32)
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llnow_hiptr = self.llbuilder.bitcast(self.llbuiltin("now"), lli32.as_pointer())
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llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
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if self.little_endian:
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lltime_hi, lltime_lo = lltime_lo, lltime_hi
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llstore_hi = self.llbuilder.store_atomic(lltime_hi, llnow_hiptr, ordering="seq_cst", align=4)
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llstore_lo = self.llbuilder.store_atomic(lltime_lo, llnow_loptr, ordering="seq_cst", align=4)
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return llstore_lo
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@ -1169,6 +1174,8 @@ class LLVMIRGenerator:
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lladjusted_lo = self.llbuilder.trunc(lladjusted, lli32)
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llnow_hiptr = self.llbuilder.bitcast(llnowptr, lli32.as_pointer())
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llnow_loptr = self.llbuilder.gep(llnow_hiptr, [self.llindex(1)])
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if self.little_endian:
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lladjusted_hi, lladjusted_lo = lladjusted_lo, lladjusted_hi
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llstore_hi = self.llbuilder.store_atomic(lladjusted_hi, llnow_hiptr, ordering="seq_cst", align=4)
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llstore_lo = self.llbuilder.store_atomic(lladjusted_lo, llnow_loptr, ordering="seq_cst", align=4)
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return llstore_lo
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