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authorMaciej W. Rozycki <macro@embecosm.com>2022-07-28 14:04:33 +0100
committerMaciej W. Rozycki <macro@embecosm.com>2022-07-28 14:04:33 +0100
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tree81c58b388bce8e9c27954e303633597601b46974 /libgo
parent94f5a8f0d4910be2d861f7a9699e93efd609d042 (diff)
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doc: Clarify FENV_ACCESS pragma semantics WRT `-ftrapping-math'
Our documentation indicates that it is the `-frounding-math' invocation option that controls whether we respect what the FENV_ACCESS pragma would imply, should we implement it, regarding the floating point environment. It is only a part of the picture however, because the `-ftrapping-math' invocation option also affects how we handle said environment. Clarify that in the description of both options then, as well as the FENV_ACCESS pragma itself. gcc/ * doc/implement-c.texi (Floating point implementation): Mention `-fno-trapping-math' in the context of FENV_ACCESS pragma. * doc/invoke.texi (Optimize Options): Clarify FENV_ACCESS pragma implication in the descriptions of `-fno-trapping-math' and `-frounding-math'.
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