https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
Richard Biener changed:
What|Removed |Added
Resolution|--- |FIXED
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #9 from CVS Commits ---
The master branch has been updated by Richard Biener :
https://gcc.gnu.org/g:5e57bacf6f3599efea7634470db84121641c80b0
commit r12-3248-g5e57bacf6f3599efea7634470db84121641c80b0
Author: Richard Biener
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #8 from Richard Biener ---
Testing an alternative.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #7 from Richard Biener ---
All of the FAILs could be avoided when taking the position of the use into
account but that would require some more substantial adjustment of TER.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #6 from Richard Biener ---
Bootstrap & regtest reveals
FAIL: gcc.dg/pr63743.c scan-rtl-dump-times expand "Swap operands" 1
...
FAIL: gcc.target/i386/pr85667-10.c scan-assembler-times addsd[
\\t]*40(%rsp), .* 1
FAIL:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #5 from Richard Biener ---
Btw, the stmt_could_throw_p check was added in response to PR33593 which looks
quite similar (but the testcase uses -fnon-call-exceptions).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
Richard Biener changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #3 from Vincent Lefèvre ---
Implementation details about trap enablement is outside the scope of ISO C, but
the existence of traps is explicitly allowed by Annex F (when supported). F.8
says: "It includes also IEC 60559 dynamic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #2 from joseph at codesourcery dot com ---
On Mon, 30 Aug 2021, vincent-gcc at vinc17 dot net via Gcc-bugs wrote:
> In the generated code with -O1 and above, one can see that the multiplication
> is done after g is called, even if
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102129
--- Comment #1 from Vincent Lefèvre ---
Additional surprising behavior...
On the following C code:
void g (void);
double f (void)
{
double x = 0.0, y = 0.0;
double r = x / y;
g ();
return r;
}
one can see with -ftrapping-math (the
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