__mulodi4() is roughly,
int64_t __mulodi4(int64_t a, int64_t b, int* overflow) {
int64_t result = a*b;
*overflow = did_overflow(result);
return result;
}
It's used by Clang's __builtin_smulll_overflow(), which is basically the same
except it swaps the positions of the return value and the out parameter.
DNG SDK in turn uses __builtin_smulll_overflow().
When building ARMv7 binaries with Clang, __mulodi4() turns up as a missing symbol.
That's because it's defined in a separate compiler-rt library. I have not been
able to link that. Instead, I've provided our own trivial __builtin_smulll_overflow().
Before this patch both nanobench and DM failed dynamically linking __mulodi4(). After this patch nanobench runs for a while, eventually segfaulting. DM immediately segfaults.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2011073002
Review-Url: https://codereview.chromium.org/2011073002
Reason for revert:
I don't think there's anything wrong with this per-se, but the 32-bit Windows bots are running out of memory while running these tests now.
(You'll see something like c:\0\build\slave\workdir\build\skia\include\core\skbitmap.h:247: fatal error: ""sk_throw"" in the log.)
We run these tests in parallel, and sometimes these 32-bit processes try to use more than the 2-3G RAM they can allocate. Seems like this is a particularly memory-intense process?
If we reland this, we might want to blacklist these tests on the 32-bit Windows bots. The 64-bit bots should have access to tons and tons of RAM and let us keep testing for Windows.
Original issue's description:
> Enable RAW codec for Windows
>
> * Fix the exception catching
> * Set preprocessor differently for MSVC
>
> BUG=skia:4889(b/26958348)
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1738913002
>
> Committed: https://skia.googlesource.com/skia/+/474e4c3dd28b67f590851321f15d9983ef7fd031TBR=scroggo@google.com,msarett@google.com,yujieqin@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:4889(b/26958348)
Review URL: https://codereview.chromium.org/1747443003
