Date: Wed, 7 Sep 2016 18:02:54 -0500 From: Krzysztof Parzyszek <kristof@swissmail.org> To: freebsd-ppc@freebsd.org Subject: Re: From llvm: Fwd: [Bug 26519] Clang 3.8.0's "Target: powerpc-unknown-freebsd11.0" code generation is violating the SVR4 ABI (SEGV can result) [fixed in llvm -r280705] Message-ID: <0b6f8c4d-749d-f63b-2418-90f4f1b3b11b@swissmail.org> In-Reply-To: <e6771fa1-6cc9-6bd9-48de-421c829c4e59@swissmail.org> References: <bug-26519-7604-VMzNnQls1g@http.llvm.org/bugs/> <08136189-299F-4BD6-9E49-8D39A8913D62@dsl-only.net> <0E2783E3-277F-47F1-B696-46FCFF0DB0F1@dsl-only.net> <e6771fa1-6cc9-6bd9-48de-421c829c4e59@swissmail.org>
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What about this? https://reviews.llvm.org/D13351 -Krzysztof On 9/7/2016 5:50 PM, Krzysztof Parzyszek wrote: > What are the requirements for soft-float, i.e. what conditions exactly > does the generated code need to meet? Is the purpose of it to eliminate > the use of floating point registers? > > Is there a library that implements the floating point operations? If > not, that is going to be the main obstacle. > > -Krzysztof > > > > On 9/6/2016 8:04 AM, Mark Millard wrote: >> llvm's bugzilla reports that the stack-handling SVR4 ABI violation for >> TARGET_ARCH=powerpc has been fixed r280705 (likely on trunk)! See below. >> >> This still leaves some problems in the C++ Itanium ABI exception >> handling support for both powerpc64 and powerpc. Also powerpc64 does >> not have softfloat available --which blocks libstand from building. >> Overall the META llvm bug 25780 still lists 3 "depends on" defects >> pending. One has a partial fix out for review. >> >> >> >> Begin forwarded message: >> >>> From: bugzilla-daemon at llvm.org >>> Subject: [Bug 26519] Clang 3.8.0's "Target: >>> powerpc-unknown-freebsd11.0" code generation is violating the SVR4 >>> ABI (SEGV can result) >>> Date: September 6, 2016 at 5:31:17 AM PDT >>> To: <markmi at dsl-only.net> >>> >>> Krzysztof Parzyszek changed bug 26519 >>> What Removed Added >>> Status NEW RESOLVED >>> Resolution --- FIXED >>> >>> Comment # 6 on bug 26519 from Krzysztof Parzyszek >>> Committed in r280705. >>> >>> You are receiving this mail because: >>> • You reported the bug. >> >> Begin forwarded message: >> >>> From: bugzilla-daemon at llvm.org >>> Subject: [Bug 25780] [META] Using Clang as the FreeBSD/ppc system >>> compiler >>> Date: September 6, 2016 at 5:31:20 AM PDT >>> To: <markmi at dsl-only.net> >>> >>> Bug 25780 depends on bug 26519, which changed state. >>> What Removed Added >>> Status NEW RESOLVED >>> Resolution --- FIXED >>> >>> You are receiving this mail because: >>> • You are on the CC list for the bug. >> >> === >> Mark Millard >> markmi at dsl-only.net >> >> On 2016-Sep-1, at 8:08 AM, Mark Millard <markmi at dsl-only.net> wrote: >> >> https://reviews.llvm.org/D24093 is a code review for llvm potentially >> fixing the violation of the TARGET_ARCH=powerpc SVR4 ABI stack >> handling rules, no longer requiring a "red-zone" on the stack. See >> below for more information. >> >> === >> Mark Millard >> markmi at dsl-only.net >> >> Begin forwarded message: >> >> From: bugzilla-daemon at llvm.org >> Subject: [Bug 26519] Clang 3.8.0's "Target: >> powerpc-unknown-freebsd11.0" code generation is violating the SVR4 ABI >> (SEGV can result) >> Date: September 1, 2016 at 7:22:49 AM PDT >> To: <markmi at dsl-only.net> >> >> >> Comment # 5 on bug 26519 from Krzysztof Parzyszek >> Patch for review: https://reviews.llvm.org/D24093 >> >> You are receiving this mail because: >> • You reported the bug. >> >> >> _______________________________________________ >> freebsd-ppc@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-ppc >> To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org" >> > >
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