Closed
Bug 172618
Opened 22 years ago
Closed 19 years ago
Build failure in jsdtoa when optimizing gcc-3.2 build for pentium4 CPU
Categories
(Core :: JavaScript Engine, defect)
Tracking
()
RESOLVED
INVALID
People
(Reporter: kairo, Assigned: khanson)
References
()
Details
(Whiteboard: [GCC3.2+ Bug introduced Thu Dec 13 12:31:07 CET 2001 Jan Hubicka <jh@suse.cz>])
As I now switched to building Mozilla with gcc-3.2, I tried to optimize the builds some more. Previously, I built with --enable-optimize="-O2 -march=i686 -mcpu=pentiumpro" and this also built fine with gcc-3.2 As I changed to --enable-optimize="-O2 -march=pentium4 -mcpu=pentium4 -msse2 -mfpmath=sse" the build broke (error follows). I tried again, leaving the sse options alone but with only "-O2 -march=pentium4 -mcpu=pentium4" it still failed. Going back to "-O2 -march=i686 -mcpu=pentiumpro" it compiled again. Here are the error messages when the build failed: gcc -o jsdtoa.o -c -DOSTYPE=\"Linux2.4\" -DOSARCH=\"Linux\" -DOJI -DEXPORT_JS_API -DJS_USE_SAFE_ARENA -I../../dist/include/js -I../../dist/include -I/home/robert/temp/mozilla/src/mozilla/dist/include/nspr -I. -I/usr/X11R6/include -fPIC -I/usr/X11R6/include -Wall -W -Wno-unused -Wpointer-arith -Wcast-align -pedantic -Wno-long-long -pthread -pipe -DNDEBUG -DTRIMMED -ffunction-sections -O2 -march=pentium4 -mcpu=pentium4 -msse2 -I/usr/X11R6/include -include ../../mozilla-config.h -DMOZILLA_CLIENT -Wp,-MD,.deps/jsdtoa.pp jsdtoa.c jsdtoa.c: In function `ulp': jsdtoa.c:987: warning: `a' might be used uninitialized in this function jsdtoa.c: In function `b2d': jsdtoa.c:1018: warning: `d' might be used uninitialized in this function jsdtoa.c: In function `JS_strtod': jsdtoa.c:1239: warning: `rv0' might be used uninitialized in this function jsdtoa.c:1874: unable to find a register to spill in class `AREG' jsdtoa.c:1874: this is the insn: (insn:QI 1996 1995 1997 (set (reg:CCNO 17 flags) (compare:CCNO (and:SI (subreg:SI (reg/v:DI 21 rxmm0 [284]) 0) (const_int 1 [0x1])) (const_int 0 [0x0]))) 281 {testsi_1} (insn_list 1992 (nil)) (expr_list:REG_DEAD (reg/v:DI 21 rxmm0 [284]) (nil))) jsdtoa.c:1874: confused by earlier errors, bailing out gmake[4]: *** [jsdtoa.o] Fehler 1 gmake[4]: Verlassen des Verzeichnisses »/home/robert/temp/mozilla/src/mozilla/js/src«
Comment 1•22 years ago
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Here are other bugs, both new and old, with "jsdtoa" in the Summary. Cc'ing people from some of these - bug 119314 Mac NEW JS assertion in jsdtoa.c when built with CodeWarrior Pro 7.1 compilers bug 138741 All NEW Inline functions in jsdtoa.c for performance bug 145493 PC VERIFIED FIXED Assert in PR_Unlock (called from jsdtoa.c:1681) bug 85267 All VERIFIED FIXED memory leak in jsdtoa.c bug 138666 PC VERIFIED FIXED Another Memory Leak in jsdtoa.c bug 54307 All VERIFIED FIXED jsdtoa.c - InitDtoa does not destroy locks bug 14044 All VERIFIED FIXED jsdtoa.c doesn't check for out-of-memory
Assignee: rogerl → khanson
Comment 2•22 years ago
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Other checkins may be found at the bonsai reference for the file: http://bonsai.mozilla.org/cvslog.cgi?file=mozilla/js/src/jsdtoa.c
Updated•22 years ago
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Summary: Build failure in jsdtoa when optimizing ggc-3.2 build for pentium4 CPU → Build failure in jsdtoa when optimizing gcc-3.2 build for pentium4 CPU
Comment 3•22 years ago
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Have you tried gcc 3.2.1? It has lots of bugfixes, especially this one seem interesting concerning this: 7630 GCC 3.2 breaks on Mozilla 1.0's JS sources with -march=pentium4
Reporter | ||
Comment 4•22 years ago
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Torbjörn: Thanks for telling about that. I won't be able to try and upgrade as long as SuSE doesn't ship me a gcc-3.2.1 rpm package. It's too much time and too much pain for me to build such central packages of the system myself... OK, so I hope to see it being resolved as soon as SuSE gives me something new...
Comment 5•22 years ago
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*** Bug 185624 has been marked as a duplicate of this bug. ***
Comment 6•22 years ago
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I compiled it myself now, and it is not fixed in gcc 3.2.1. So I opened a gnats bug for this: http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8994
Whiteboard: [GCC3.2+ Bug introduced Thu Dec 13 12:31:07 CET 2001 Jan Hubicka <jh@suse.cz>]
Comment 7•20 years ago
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This is fixed in gcc 3.3, released a year ago.
Comment 8•19 years ago
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Please close this, gcc 3.2 is obsolete.
Reporter | ||
Comment 9•19 years ago
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OK, closing it myself as INVA, it's been no Mozilla bug. I've actually been building SeaMonkey with gcc 3.3.x and those optimizations for quite some time now, and it works perfectly.
Status: NEW → RESOLVED
Closed: 19 years ago
Resolution: --- → INVALID
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Description
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