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Hi all, When I've been disassembling JIT-compiled functions I've noticed they all have the same three random instructions after them: bns- cr5,0xd04bbfe8 stfs f10,-16404(r3) stfs f10,-16404(r3) Is this meant to be there? Cheers, Gary -- http://gbenson.net/

...ant pools, etc.? Are they ever executed? Evan On Jul 3, 2008, at 2:15 AM, Gary Benson wrote: > Hi all, > > When I've been disassembling JIT-compiled functions I've noticed they > all have the same three random instructions after them: > > bns- cr5,0xd04bbfe8 > stfs f10,-16404(r3) > stfs f10,-16404(r3) > > Is this meant to be there? > > Cheers, > Gary > > -- > http://gbenson.net/ > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu &...

...they in hex? > On Jul 3, 2008, at 2:15 AM, Gary Benson wrote: > >> Hi all, >> >> When I've been disassembling JIT-compiled functions I've noticed they >> all have the same three random instructions after them: >> >> bns- cr5,0xd04bbfe8 >> stfs f10,-16404(r3) >> stfs f10,-16404(r3) >> >> Is this meant to be there? >> >> Cheers, >> Gary >> >> -- >> http://gbenson.net/ >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev a...

...are on. The issue is that we have many tests that work in cross compile mode. For example, test/Regression/CodeGen/PowerPC/vec_spat.ll contains: ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vspltw | wc -l | grep 2 && ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g3 | grep stfs | wc -l | grep 4 && ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsplti | wc -l | grep 3 && ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsplth | wc -l | grep 1 We want this test to run on all hosts, regardless of whether or not they are PPC or even have...

...n. Here is the program: #include<stdio.h> int main() { float a,b,c; b = b * c; a = a - b; return 0; } And here is the assembly: <Insert the pPPC assembly here> .text .global main .type main, @function .align 2 main: lfs 0, -8(1) lfs 1, -12(1) li 3, 0 fmuls 2, 1, 0 stfs 2, -12(1) lfs 2, -16(1) fnmsubs 0, 1, 0, 2 stfs 0, -16(1) stw 3, -20(1) stw 3, -4(1) BB1_1: # return lwz 3, -4(1) blr .size main,.-main At a glance, it looks right. Line 12 is, indeed the "fnmsubs" command, so the pattern did work. But look at Line 9. Here we see that the &q...

>>> No ppc, but x86 (Slackware 10.2) with LLVM 1.9 and its associated >>> GCC4-based frontend (recompiled for my machine). I put the log file in >>> attachment. A lot of failures arose from the fact that the ppc, alpha, ... >>> backends were not built and hence not found. >> >> Ah yes I see. The test framework needs to be modified to handle this but

...is that we have many tests that work in cross compile mode. For > example, test/Regression/CodeGen/PowerPC/vec_spat.ll contains: > > ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vspltw | wc -l | grep 2 && > ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g3 | grep stfs | wc -l | grep 4 && > ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsplti | wc -l | grep 3 && > ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsplth | wc -l | grep 1 > > We want this test to run on all hosts, regardless of whether or not they &gt...

On Thu, 16 Nov 2006, Tanya M. Lattner wrote: >> No ppc, but x86 (Slackware 10.2) with LLVM 1.9 and its associated >> GCC4-based frontend (recompiled for my machine). I put the log file in >> attachment. A lot of failures arose from the fact that the ppc, alpha, ... >> backends were not built and hence not found. > > Ah yes I see. The test framework needs to be

Chris Lattner wrote: > On Sat, 13 May 2006, Vladimir Prus wrote: >> in LLVM CVS the afore-mentioned function has 'const TargetRegisterClass*' >> parameter, that is not documented. >> >> Can somebody explain what does it mean? > > Basically, it gives the target more information about the spill. In > particular, it specifies the register class to use

...6: $? = 0 configure:16338: result: yes configure:16251: checking for strerror configure:16308: gcc -o conftest -g -O2 conftest.c >&5 configure:16314: $? = 0 -- configure:18282: gcc -c -g -O2 conftest.c >&5 conftest.c: In function `main': conftest.c:234: error: storage size of `stfs' isn't known configure:18288: $? = 1 configure: failed program was: -- configure:18912: gcc -c -g -O2 conftest.c >&5 conftest.c: In function `main': conftest.c:247: error: structure has no member named `f_favail' configure:18918: $? = 1 configure: failed program was: -- conf...

...the virtual disk it made. Here is the top and bottom of the trace log file on the conversion server. If the email garbles what I'm pasting in below, I can email the log as an attachment. [root at Fedora16-64P2V log]# [root at Fedora16-64P2V log]# more virt-p2v-server.1324939070.log libguestfs: new guestfs handle 0x2e7b760 libguestfs: trace: add_drive_opts "/tmp/IlYDJL6AnS/20f9ecae-9c8a-4316-9154-db868 e02b4b8/v2v.i7n4vOKJ/1f1f3b28-ebf7-453e-8dbf-f1c5ad18a28e/415ca08c-e69d-449b-b9b e-7b64715f376d" "format:raw" "iface:ide" "name:cciss/c0d0" libguest...

...d/rpmbuild/BUILD/llvm-3.3/test/CodeGen/PowerPC/2007-09-08-unaligned.ll | grep stfd | /home/abuild/rpmbuild/BUILD/llvm-3.3/stage2/bin/./count 3 [ 1539s] /home/abuild/rpmbuild/BUILD/llvm-3.3/stage2/bin/./llc < /home/abuild/rpmbuild/BUILD/llvm-3.3/test/CodeGen/PowerPC/2007-09-08-unaligned.ll | grep stfs | /home/abuild/rpmbuild/BUILD/llvm-3.3/stage2/bin/./count 1 [ 1539s] /home/abuild/rpmbuild/BUILD/llvm-3.3/stage2/bin/./llc < /home/abuild/rpmbuild/BUILD/llvm-3.3/test/CodeGen/PowerPC/2007-09-08-unaligned.ll | grep lfd | /home/abuild/rpmbuild/BUILD/llvm-3.3/stage2/bin/./count 2 [ 1539s] /home/abu...