Displaying 20 results from an estimated 99 matches for "x29".
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2020 Jun 22
3
Hardware ASan Generating Unknown Instruction
.../aarch64-linux-gnu/
-L/usr/lib/gcc/aarch64-linux-gnu/10.1.0/ -g test.c
However, when I look at the disassembly, there is an unknown
instruction listed at 0x2d51c:
000000000002d4c0 main:
2d4c0: ff c3 00 d1 sub sp, sp, #48
2d4c4: fd 7b 02 a9 stp x29, x30, [sp, #32]
2d4c8: fd 83 00 91 add x29, sp, #32
2d4cc: 08 01 00 d0 adrp x8, #139264
2d4d0: 08 49 47 f9 ldr x8, [x8, #3728]
2d4d4: 49 d0 3b d5 mrs x9, TPIDR_EL0
2d4d8: 28 69 68 f8...
2007 Mar 10
3
long character string problem
...(X13*x1+X23*x2)^2+C13)A14*(X14*x1+X24*x2)+-1*sqrt(B14*(X14*x1+X24*x2)^2+C14)A15*(X15*x1+X25*x2)+1*sqrt(B15*(X15*x1+X25*x2)^2+C15)A16*(X16*x1+X26*x2)+1*sqrt(B16*(X16*x1+X26*x2)^2+C16)A17*(X17*x1+X27*x2)+1*sqrt(B17*(X17*x1+X27*x2)^2+C17)A18*(X18*x1+X28*x2)+1*sqrt(B18*(X18*x1+X28*x2)^2+C18)A19*(X19*x1+X29*x2)+-1*sqrt(B19*(X19*x1+X29*x2)^2+C19)A110*(X110*x1+X210*x2)+1*sqrt(B110*(X110*x1+X210*x2)^2+C110)"
> cum2
[1]
"A21*(X11*x1+X21*x2)+1*sqrt(B21*(X11*x1+X21*x2)^2+C21)A22*(X12*x1+X22*x2)+1*sqrt(B22*(X12*x1+X22*x2)^2+C22)A23*(X13*x1+X23*x2)+-1*sqrt(B23*(X13*x1+X23*x2)^2+C23)A24*(X14*x1+...
2020 Jun 22
3
Hardware ASan Generating Unknown Instruction
...-g test.c
>>
>> However, when I look at the disassembly, there is an unknown
>> instruction listed at 0x2d51c:
>>
>> 000000000002d4c0 main:
>> 2d4c0: ff c3 00 d1 sub sp, sp, #48
>> 2d4c4: fd 7b 02 a9 stp x29, x30, [sp, #32]
>> 2d4c8: fd 83 00 91 add x29, sp, #32
>> 2d4cc: 08 01 00 d0 adrp x8, #139264
>> 2d4d0: 08 49 47 f9 ldr x8, [x8, #3728]
>> 2d4d4: 49 d0 3b d5 mrs x9, T...
2020 Jun 22
2
Hardware ASan Generating Unknown Instruction
...ook at the disassembly, there is an unknown
> >>> instruction listed at 0x2d51c:
> >>>
> >>> 000000000002d4c0 main:
> >>> 2d4c0: ff c3 00 d1 sub sp, sp, #48
> >>> 2d4c4: fd 7b 02 a9 stp x29, x30, [sp, #32]
> >>> 2d4c8: fd 83 00 91 add x29, sp, #32
> >>> 2d4cc: 08 01 00 d0 adrp x8, #139264
> >>> 2d4d0: 08 49 47 f9 ldr x8, [x8, #3728]
> >>> 2d4d4: 49 d0 3b...
2015 May 06
2
[LLVMdev] [lld] Wrong references for C++ COMDAT groups
...sion/C++/EH/class_hierarchy
testcase on aarch64 I noted something strange:
Dump of assembler code for function _Z4funcj:
0x0000000000400650 <+0>: stp x22, x21, [sp,#-48]!
0x0000000000400654 <+4>: stp x20, x19, [sp,#16]
0x0000000000400658 <+8>: stp x29, x30, [sp,#32]
0x000000000040065c <+12>: add x29, sp, #0x20
=> 0x0000000000400660 <+16>: .inst 0x2bfffff7 ; undefined
Where it should be:
0000000000000000 <_Z4funcj>:
0: a9bd57f6 stp x22, x21, [sp,#-48]!
4: a9014ff4 stp x20, x19,...
2015 May 07
2
[LLVMdev] [lld] Wrong references for C++ COMDAT groups
...arch64 I noted something strange:
>
> Dump of assembler code for function _Z4funcj:
> 0x0000000000400650 <+0>: stp x22, x21, [sp,#-48]!
> 0x0000000000400654 <+4>: stp x20, x19, [sp,#16]
> 0x0000000000400658 <+8>: stp x29, x30, [sp,#32]
> 0x000000000040065c <+12>: add x29, sp, #0x20
> => 0x0000000000400660 <+16>: .inst 0x2bfffff7 ; undefined
>
> Where it should be:
>
> 0000000000000000 <_Z4funcj>:
> 0: a9bd57f6 stp x22, x2...
2018 Apr 23
2
[RFC] Turn the MachineOutliner on by default in AArch64 under -Oz
...ecause the "ret" branches to
the wrong address. Testcase (reproduce with "clang -O3
--target=aarch64-pc-linux-gnu -mllvm -enable-machine-outliner"):
extern long g1;
extern long g2;
void foo() {
register long *x asm("x27") = &g1;
register long *y asm("x29") = &g1;
register long *z asm("x30") = &g2;
asm(""::"r"(x),"r"(y),"r"(z));
}
void foo2() {
register long *x asm("x27") = &g1;
register long *y asm("x29") = &g1;
register long *z asm("x30&q...
2018 Apr 24
0
[RFC] Turn the MachineOutliner on by default in AArch64 under -Oz
Thanks for reducing that for me!
The outliner pulls out the following:
OUTLINED_FUNCTION_0: // @OUTLINED_FUNCTION_0
.cfi_sections .debug_frame
.cfi_startproc
// %bb.0:
adrp x29, g1
add x29, x29, :lo12:g1
adrp x30, g2 // This adrp shouldn’t have been outlined.
ret
It shouldn’t be pulling out that adrp. There’s a special case for arps in the outliner which hinged on the assumption that x30 wouldn’t be used in that way. I just finished...
2006 Nov 06
5
memory issues with new release (PR#9344)
Full_Name: Derek Elmerick
Version: 2.4.0
OS: Windows XP
Submission from: (NULL) (38.117.162.243)
hello -
i have some code that i run regularly using R version 2.3.x . the final step of
the code is to build a multinomial logit model. the dataset is large; however, i
have not had issues in the past. i just installed the 2.4.0 version of R and now
have memory allocation issues. to verify, i ran
2014 Jul 28
2
[LLVMdev] [lld] question on ELF section formating
...0
target: L030
- kind: layout-after
offset: 0
target: '$d.010'
The output during objdump of that section is:
00000000004006d0 <__tls_get_addr>:
4006d0: d280001d mov x29, #0x0
// #0
4006d4: d280001e mov x30, #0x0
// #0
4006d8: 910003fd mov x29, sp
4006dc: aa0003e5 mov x5, x0
4006e0: f94003e1 ldr x1, [sp]
4006e4:...
2018 Feb 22
2
Sink redundant spill after RA
...// 8-byte Folded Spill
stp x26, x25, [sp, #144] // 8-byte Folded Spill
stp x24, x23, [sp, #160] // 8-byte Folded Spill
stp x22, x21, [sp, #176] // 8-byte Folded Spill
stp x20, x19, [sp, #192] // 8-byte Folded Spill
stp x29, x30, [sp, #208] // 8-byte Folded Spill
ldrsw x8, [x0, #4424]
sxtw x10, w2 <------------- w2 is the use of
spilled value before spill.
sxtw x12, w1
madd x8, x8, x10, x12
ldr x9, [x0, #8]
add x9, x9, x...
2018 Feb 22
2
Sink redundant spill after RA
...x26, x25, [sp, #144] // 8-byte Folded Spill
>
> stp x24, x23, [sp, #160] // 8-byte Folded Spill
>
> stp x22, x21, [sp, #176] // 8-byte Folded Spill
>
> stp x20, x19, [sp, #192] // 8-byte Folded Spill
>
> stp x29, x30, [sp, #208] // 8-byte Folded Spill
>
> ldrsw x8, [x0, #4424]
>
> sxtw x10, w2 <------------- w2 is the
> use of spilled value before spill.
>
> sxtw x12, w1
>
> madd x8, x8, x10, x12
>
>...
2006 Mar 11
1
Non-linear Regression : Error in eval(expr, envir, enclos)
...(k2*k2*x6)+(k3*x7)+(k3*k4*x8)+(k3*k2*x9)+(k3*k3*x10)+ (k4*x11)+(k4*k1*x12)+(k4*k2*x13)+(k4*k3*x14)+(k4*k4*x15)+(k5*x16)+(k5*k1*x17)+(k5*k2*x18)+(k5*k3*x19)+ (k5*k4*x20)+(k5*k5*x21)+(k6*x22)+(k6*k1*x23)+(k6*k2*x24)+(k6*k3*x25)+(k6*k4*x26)+(k6*k5*x27)+(k6*k6*x28)+ (k7*x29)+(k7*k1*x30)+(k7*k2*x31)+(k7*k3*x32)+(k7*k4*x33)+(k7*k5*x34)+(k7*k6*x35)+(k7*k7*x36)),x, start=c(beta1=-0.001480981,k1=0.001,k2=0.001,k3=0.001,k4=0.001,k5=0.001,k6=0.001,k7=0.001),control=c(maxiter=100))
where beta1, k1 -- k7 are the parameters to be estimated and
x1---x36 are t...
2018 Feb 22
0
Sink redundant spill after RA
...// 8-byte Folded Spill
stp x26, x25, [sp, #144] // 8-byte Folded Spill
stp x24, x23, [sp, #160] // 8-byte Folded Spill
stp x22, x21, [sp, #176] // 8-byte Folded Spill
stp x20, x19, [sp, #192] // 8-byte Folded Spill
stp x29, x30, [sp, #208] // 8-byte Folded Spill
ldrsw x8, [x0, #4424]
sxtw x10, w2 <------------- w2 is the use of
spilled value before spill.
sxtw x12, w1
madd x8, x8, x10, x12
ldr x9, [x0, #8]
add x9, x9, x...
2004 Sep 21
3
how to take this experiment with R?
How about:
x <- data.frame(matrix(rnorm(1550),c(50,31)))
model <- step(lm(x[,1] ~ as.matrix(x[,2:31])))
--Matt
-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch]On Behalf Of rongguiwong
Sent: Monday, September 20, 2004 20:52 PM
To: r-help at stat.math.ethz.ch
Subject: [R] how to take this experiment with R?
This message uses
2017 Dec 21
1
[bug report] null ptr deref in nouveau_platform_probe (tegra186-p2771-0000)
...[ 16.903546] Hardware name: NVIDIA Tegra186 P2771-0000 Development Board (DT)
[ 16.910578] pstate: 60000005 (nZCv daif -PAN -UAO)
[ 16.915527] pc : nouveau_bo_new+0x450/0x4d0 [nouveau]
[ 16.920729] lr : nouveau_bo_new+0x78/0x4d0 [nouveau]
[ 16.925678] sp : ffff00000a34bb40
[ 16.928980] x29: ffff00000a34bb60 x28: ffff8001f67f0598
[ 16.934280] x27: 0000000000000000 x26: ffff8001c8858c00
[ 16.939579] x25: 0000000000020000 x24: 0000000000000004
[ 16.944878] x23: 0000000000020000 x22: 0000000000000000
[ 16.950176] x21: 0000000000000000 x20: 0000000000000000
[ 16.955475] x19: fff...
2018 Feb 22
0
Sink redundant spill after RA
...e Folded Spill
> >
> > stp x24, x23, [sp, #160] // 8-byte Folded Spill
> >
> > stp x22, x21, [sp, #176] // 8-byte Folded Spill
> >
> > stp x20, x19, [sp, #192] // 8-byte Folded Spill
> >
> > stp x29, x30, [sp, #208] // 8-byte Folded Spill
> >
> > ldrsw x8, [x0, #4424]
> >
> > sxtw x10, w2 <------------- w2 is the
> > use of spilled value before spill.
> >
> > sxtw x12, w1
> >
> >...
2017 May 09
4
[GlobalISel][AArch64] Toward flipping the switch for O0: Please give it a try!
...tch statement lowered as cascaded-sequence-of-conditional-branches.
Same issue causes MultiSource/Applications/sqlite3/sqlite3 (71%).
Same issue causes MultiSource/Applications/lua/lua (46%).
* SingleSource/Benchmarks/Misc/flops-2 (75%): Poor lowering of fneg:
* FastISel:
ldur d0, [x29,#-16]
fneg d0, d0
stur d0, [x29,#-16]
* GlobalISel:
ldur d0, [x29,#-64]
orr x8, xzr, #0x8000000000000000
fmov d1, x8
fsub d0, d1, d0
fmov x8, d0
stur x8, [x29,#-64]
* MultiSource/Benchmarks/Prolangs-C++/city/city (74%): a call to memcpy for copying 4 bytes is present with GlobalISe...
2017 May 10
2
[GlobalISel][AArch64] Toward flipping the switch for O0: Please give it a try!
...cascaded-sequence-of-conditional-branches.
>> Same issue causes MultiSource/Applications/sqlite3/sqlite3 (71%).
>> Same issue causes MultiSource/Applications/lua/lua (46%).
>> SingleSource/Benchmarks/Misc/flops-2 (75%): Poor lowering of fneg:
>> FastISel:
>> ldur d0, [x29,#-16]
>> fneg d0, d0
>> stur d0, [x29,#-16]
>> GlobalISel:
>> ldur d0, [x29,#-64]
>> orr x8, xzr, #0x8000000000000000
>> fmov d1, x8
>> fsub d0, d1, d0
>> fmov x8, d0
>> stur x8, [x29,#-64]
>> MultiSource/Benchmarks/Prolangs-C++/city/city...
2017 May 09
2
[GlobalISel][AArch64] Toward flipping the switch for O0: Please give it a try!
...al-branches.
> Same issue causes MultiSource/Applications/sqlite3/sqlite3 (71%).
> Same issue causes MultiSource/Applications/lua/lua (46%).
> - SingleSource/Benchmarks/Misc/flops-2 (75%): Poor lowering of
> fneg:
> - FastISel:
> ldur d0, [x29,#-16]
> fneg d0, d0
> stur d0, [x29,#-16]
> - GlobalISel:
> ldur d0, [x29,#-64]
> orr x8, xzr, #0x8000000000000000
> fmov d1, x8
> fsub d0, d1, d0
> fmov x8, d0
> stur x8, [x29,#-64]
>...