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Re: port-arm/55897: A mess with complex arithmetics in earmv7hf

The following reply was made to PR port-arm/55897; it has been noted by GNATS.

From: Rin Okuyama <>
To: "" <>
Subject: Re: port-arm/55897: A mess with complex arithmetics in earmv7hf
Date: Fri, 11 Jun 2021 10:43:04 +0900

 This problem, i.e., ABI mismatch for floating-point runtime routines for
 hard-float arm, has been fixed by upstream by,
 (1) providing floating-point runtime routines with correct calling
      conventions, as well as,
 (2) providing EABI runtime routines as is, at the same time.
 The patch provided by submitter (adding -U__ARM_EABI__) only does (1).
 So, the correct fix should be importing upstream fixes.
 Although LLVM project itself has moved to MIT license, compiler_rt is
 provided by dual licenses of BSD and MIT:
 Therefore, there's no problem to merge upstream fixes into
 The patches below are for sys/external/bsd/compiler_rt/dist, for (1) and
 (2) above, and necessary style fixes:
 Also, this patch is glue for our tree:
 I've confirmed that
 (a) test case provided by submitter no longer fails,
 (b) no regression for ATF, and
 (c) no binary changes for kernels
 both for GCC9 and LLVM.
 I will commit these changes within few days if there's no objection.

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