<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">If we do this we should at least be targetted and restrict it to the tests that need the flag. For example you could put:</div><div class=""> list(APPEND CFLAGS -ffp-contract=off) to MultiSource/Applications/oggenc/CMakeLists.txt</div><div class="">and</div><div class=""> CFLAGS += -ffp-contract=off into MultiSource/Applications/oggenc/Makefile</div><div class=""><br class=""></div><div class="">that at least forces us to think about why a specific benchmark fails and maybe we can find a way to rather use fpcmp/set an absolution/relative tollerance for when comparing the results (though admittedly I don't see how we can do that in a case of oggenc where a .ogg file is produced).</div><div class=""><br class=""></div><div class="">- Matthias</div><div class=""><br class=""></div><div><blockquote type="cite" class=""><div class="">On Sep 23, 2016, at 2:53 PM, Hal Finkel via cfe-commits <<a href="mailto:cfe-commits@lists.llvm.org" class="">cfe-commits@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">We currently have logic in the test suite that sets -ffp-contract=off on PowerPC (because the default for GCC and other compilers on PowerPC/Linux systems is essentially -ffp-contract=fast). We might just want to do this now for all platforms.</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">-Hal</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">----- Original Message -----</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">From: "Steve Canon" <<a href="mailto:scanon@apple.com" class="">scanon@apple.com</a>><br class="">To:<span class="Apple-converted-space"> </span><a href="mailto:reviews+D24481+public+c0b8d50a922986a0@reviews.llvm.org" class="">reviews+D24481+public+c0b8d50a922986a0@reviews.llvm.org</a><br class="">Cc: "a skolnik" <<a href="mailto:a.skolnik@samsung.com" class="">a.skolnik@samsung.com</a>>,<span class="Apple-converted-space"> </span><a href="mailto:clattner@apple.com" class="">clattner@apple.com</a>,<span class="Apple-converted-space"> </span><a href="mailto:hfinkel@anl.gov" class="">hfinkel@anl.gov</a>, "yaxun liu" <<a href="mailto:yaxun.liu@amd.com" class="">yaxun.liu@amd.com</a>>,<br class=""><a href="mailto:cfe-commits@lists.llvm.org" class="">cfe-commits@lists.llvm.org</a><br class="">Sent: Friday, September 23, 2016 4:47:32 PM<br class="">Subject: Re: [PATCH] D24481: make “#pragma STDC FP_CONTRACT” on by default<br class=""><br class="">Without digging into them yet, these are almost caused by<br class="">overly-sensitive tests that are erroneously expecting bit-exact<br class="">results.<br class=""><br class="">- Steve<br class=""><br class="">Sent from my iPhone<br class=""><br class=""><blockquote type="cite" class="">On Sep 23, 2016, at 4:42 PM, Renato Golin <<a href="mailto:renato.golin@linaro.org" class="">renato.golin@linaro.org</a>><br class="">wrote:<br class=""><br class="">rengolin added a subscriber: rengolin.<br class="">rengolin added a comment.<br class=""><br class="">Folks, this commit has broken both AArch64 test-suite buildbots:<br class=""><br class=""><a href="http://lab.llvm.org:8011/builders/clang-cmake-aarch64-full/builds/3162" class="">http://lab.llvm.org:8011/builders/clang-cmake-aarch64-full/builds/3162</a><br class=""><br class="">http://lab.llvm.org:8011/builders/clang-cmake-aarch64-quick/builds/10449<br class=""><br class="">I have reverted in r282289, let me know if you need help testing on<br class="">AArch64.<br class=""><br class=""><br class="">Repository:<br class="">rL LLVM<br class=""><br class="">https://reviews.llvm.org/D24481<br class=""><br class=""><br class=""><br class=""></blockquote><br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">--<span class="Apple-converted-space"> </span></span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Hal Finkel</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Lead, Compiler Technology and Programming Languages</span><br style="font-family: Helvetica; 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