[PATCH] D79322: [FEnv] Small fixes to implementation of flt.rounds

Craig Topper via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sat May 16 15:22:03 PDT 2020


craig.topper added inline comments.


================
Comment at: llvm/test/CodeGen/RISCV/flt-rounds.ll:23
+; RV64I-NEXT:    sd ra, 8(sp)
+; RV64I-NEXT:    call __flt_rounds
+; RV64I-NEXT:    ld ra, 8(sp)
----------------
sepavloff wrote:
> lenary wrote:
> > I'm interested to understand how this function is provided. Is it part of `compiler-rt` or `libgcc`, or is it provided another way?
> At least musl library provides its implementation: https://git.musl-libc.org/cgit/musl/tree/src/fenv/__flt_rounds.c . Similar implementation exists in glibc.
A quick google search for "glibc __flt_rounds" only shows it in a powerpc nofpu file.


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79322/new/

https://reviews.llvm.org/D79322





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