[Bug target/40503] DEC_EVAL_METHOD not match operators

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40503 --- Comment #10 from joseph at codesourcery dot com --- I was not attempting to confirm that GCC had a particular bug. In this case: as I said, no excess precision support is hooked up for decimal floating point (i.e., whatever the back end doe

[Bug tree-optimization/83353] Missed optimization in math expression: sin(asin(a)) == a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83353 --- Comment #5 from joseph at codesourcery dot com --- asin(sin(a)) is not safe (or at least not simple) because of arguments outside [-pi/2, pi/2]. sin(asin(a)) is more appropriate with -ffast-math because arguments outside [-1,1] are exclude

[Bug middle-end/87869] Unrolled loop leads to excessive code bloat with -Os on ARC EM.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87869 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug tree-optimization/81679] use attribute unused on function arguments as an optimization hint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81679 --- Comment #5 from Eric Gallager --- (In reply to jos...@codesourcery.com from comment #4) > On Wed, 2 Aug 2017, msebor at gcc dot gnu.org wrote: > > > If there is a concern that the attribute could be used on declarations in > > existing code

[Bug middle-end/78760] strcpy buffer overflow not diagnosed with -Wstringop-overflow

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78760 Eric Gallager changed: What|Removed |Added CC||dmalcolm at gcc dot gnu.org,

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