--- Comment #8 from ubizjak at gmail dot com 2009-06-29 08:47 ---
(In reply to comment #7)
OTOH, doing integer arithmetics on 64bit _image_ of FP value has questionable
usability, so the motivation to fix this PR is proportionally low...
So, wontfix.
--
ubizjak at gmail dot com
--- Comment #7 from ubizjak at gmail dot com 2009-06-17 09:18 ---
See Comment #2!
I tried to enhance ix86_secondary_reload target macro to return XMM
intermediate reg with movdi_to_sse handler for DImode - DFmode moves. However,
handling of this macro has plenty of FIXMEs, and I was
--- Comment #5 from dominiq at lps dot ens dot fr 2009-06-16 20:30 ---
I have forgotten this one!
This is not darwin-specific, I also see it happening on x86_64-linux.
And what's more, the output changes between -m32 and -m64.
This is probably related to the extra precision for
--- Comment #6 from kargl at gcc dot gnu dot org 2009-06-16 21:02 ---
(In reply to comment #5)
The code is invalid Fortran, so gfortran is not required to give
any sensible output.
You know that it is not relevant for this pr!-( would the following make you
happier?)
It most
--- Comment #3 from fxcoudert at gcc dot gnu dot org 2009-06-15 18:32
---
This is not darwin-specific, I also see it happening on x86_64-linux.
And what's more, the output changes between -m32 and -m64.
$ cat u.f90
integer(8), parameter :: l = z'5fe6eb3be000'
integer, parameter
--- Comment #4 from kargl at gcc dot gnu dot org 2009-06-15 18:44 ---
(In reply to comment #3)
This is not darwin-specific, I also see it happening on x86_64-linux.
And what's more, the output changes between -m32 and -m64.
The code is invalid Fortran, so gfortran is not required
--- Comment #1 from rguenth at gcc dot gnu dot org 2008-05-15 09:06 ---
First without -ffast-math the phiopt doesn't recognize the MAX_EXPR (see
PR36190), second
t.f90:24: note: not vectorized: number of iterations cannot be computed.
t.f90:24: note: bad loop form.
which is the
--- Comment #2 from ubizjak at gmail dot com 2008-05-15 09:21 ---
This regression is due to store forwarding penalty:
...
movl%esi, -408(%ebp)
movl%edi, -404(%ebp)
fldl-408(%ebp)
...
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