search for: jge

...it still doesn’t work: int test_cmov(int left, int right, int *alt) { return __builtin_unpredictable(left < right) ? *alt : 999; } Should generate: test_cmov: movl $999, %eax cmpl %esi, %edi cmovll (%rdx), %eax retq But currently generates: test_cmov: movl $999, %eax cmpl %esi, %edi jge .LBB0_2 movl (%rdx), %eax .LBB0_2: retq > On Sep 14, 2019, at 12:18 AM, Sanjay Patel <spatel at rotateright.com> wrote: > > I'm not sure if this is the entire problem, but SimplifyCFG loses the 'unpredictable' metadata when it converts a set of cmp/br into a switch:...

...mov: >> movl $999, %eax >> cmpl %esi, %edi >> cmovll (%rdx), %eax >> retq >> >> But currently generates: >> >> test_cmov: >> movl $999, %eax >> cmpl %esi, %edi >> jge .LBB0_2 >> movl (%rdx), %eax >> .LBB0_2: >> retq >> >> >> >> > On Sep 14, 2019, at 12:18 AM, Sanjay Patel <spatel at rotateright.com> wrote: >> > >> > I'm not sure if this is the entire problem, but...

...;: imul 0x4(%esp),%eax 0xb7c27038 <+40>: mov %eax,(%esp) 0xb7c2703b <+43>: mov 0x4(%esp),%eax 0xb7c2703f <+47>: dec %eax 0xb7c27040 <+48>: mov %eax,0x4(%esp) 0xb7c27044 <+52>: cmp $0x2,%eax 0xb7c27047 <+55>: jge 0xb7c27030 <compute_factorial+32> 0xb7c27049 <+57>: mov (%esp),%eax 0xb7c2704c <+60>: mov %eax,0x8(%esp) 0xb7c27050 <+64>: mov 0x8(%esp),%eax 0xb7c27054 <+68>: add $0xc,%esp 0xb7c27057 <+71>: ret End of assembler dump....

...ord ptr [rsp + 12], ecx mov dword ptr [rsp + 8], 0 mov dword ptr [rsp + 4], 0 .LBB0_1: # %for.cond # =>This Inner Loop Header: Depth=1 mov eax, dword ptr [rsp + 4] cmp eax, dword ptr [rsp + 12] jge .LBB0_4 # BB#2: # %for.body # in Loop: Header=BB0_1 Depth=1 mov eax, dword ptr [rsp + 4] add eax, dword ptr [rsp + 8] mov dword ptr [rsp + 8], eax # BB#3: # %for.inc...

Hi there, I wondered whether anyone could give me any advice about counting assembly instructions when using MCJIT? For performance regression testing I would like to be able to count the number of instructions generated during the jit compilation of a given module. The Statistic class, as far as I understand, cannot collect this data per-module (per-ExecutionEngine/per-MCJIT), and there is

...-------------------------------------------------------------------- loc_100000DFA: ; CODE XREF: _main+5E j mov ecx, [rax+r8*4] lea r9d, [rcx+1] mov [rax+r8*4], r9d cmp ecx, r8d jge loc_100000F0E lea r12, [rax+4] xor r14d, r14d db 2Eh nop word ptr [rax+rax+00000000h] loc_100000E20: ; CODE XREF: _main+216 j test r15d, r15d setle cl...

...------ >> >> loc_100000DFA: ; CODE XREF: _main+5E j >> mov ecx, [rax+r8*4] >> lea r9d, [rcx+1] >> mov [rax+r8*4], r9d >> cmp ecx, r8d >> jge loc_100000F0E >> lea r12, [rax+4] >> xor r14d, r14d >> db 2Eh >> nop word ptr [rax+rax+00000000h] >> >> loc_100000E20: ; CODE XREF: _main+216 j >>...

Jean-Marc Valin wrote: >If you set the denoiser to "on" and the VAD to "off", what difference >does it make in CPU time? > <p>Same program, running on Athlon XP 1700+: Test 1, using VAD, but AGC, denoise off: tevek@canarsie:~/work/hms/app_conference $ time ./vad_test /tmp/demo-instruct.sw 5 reading from /tmp/demo-instruct.sw, repeating 5 times read 537760

...; CODE XREF: _main+5E j >>>> mov ecx, [rax+r8*4] >>>> lea r9d, [rcx+1] >>>> mov [rax+r8*4], r9d >>>> cmp ecx, r8d >>>> jge loc_100000F0E >>>> lea r12, [rax+4] >>>> xor r14d, r14d >>>> db 2Eh >>>> nop word ptr [rax+rax+00000000h] >>>> >>>> loc_100000E20:...

> On Sep 13, 2019, at 10:45 AM, Chandler Carruth <chandlerc at gmail.com> wrote: > > On Fri, Sep 13, 2019 at 1:33 AM David Zarzycki via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: > Hi Chandler, > > The data-invariant feature sounds great but what about the general case? When performance tuning code, people sometimes need

I'm learning the xray library and try if it can be built on windows, in xray_fdr_logging_impl.h line 152 , comment written as // Using pthread_once(...) to initialize the thread-local data structures but at line 175, 183, code written as thread_local pthread_key_t key; // Ensure that we only actually ever do the pthread initialization once. thread_local bool UNUSED Unused = [] {

...09 movzx edx, al 0075F00C mov dword_75D738, ecx 0075F012 mov dword_75D730, edx 0075F018 test eax, 80000000h 0075F01D jz short loc_75F03C 0075F01F cmp edx, 4 0075F022 jge short loc_75F030 0075F024 mov dword_75D734, 1 0075F02E jmp short locret_75F046 0075F030 0075F030 loc_75F030: ; CODE XREF: sub_75F000+22^Xj 0075F030 mov dword_75D734, 2 0075F03A jmp short...

Dear llvm-dev-list, I have created my own custom section to be added at the end into a binary upon compilation which contains address of all basic blocks. As the final address of the basic block is not known until link time, I collect the MCSymbol* Symbol Values per BB in a temp array and at the in the custom section and emit it (emitSymbolValue) into my section within EmitEndOfAsmFile() I have

...le=msp430 shift.ll isNotNegativeUsingShift: ; @isNotNegativeUsingShift ; %bb.0: inv r12 swpb r12 mov.b r12, r12 clrc rrc r12 rra r12 rra r12 rra r12 rra r12 rra r12 rra r12 ret isNotNegativeUsingCmp: ; @isNotNegativeUsingCmp ; %bb.0: mov r12, r13 mov #1, r12 tst r13 jge .LBB1_2 ; %bb.1: clr r12 .LBB1_2: ret How do you intend to optimize code that is written in the 1st form? Or is that not allowed in some way? On Wed, Nov 13, 2019 at 5:52 AM Joan Lluch via llvm-dev < llvm-dev at lists.llvm.org> wrote: > Hi Roman, > > Thanks for your input. > &g...

Hi all, I'm trying to compile asterisk on the mainframe (s390 / s390x) and I am running into issues. I was wondering if somebody could give a hand? I'm thinking that I should be able to do this. I have noticed that Debian even has binary RPM's out for Asterisk now. I'm trying to do this on SuSE SLES8 (with the 2.4 kernel). What I see is, an issue that arch=s390 isn't

.../130> 28: 8b 5e 28 mov 0x28(%esi),%ebx Code; c01fab35 <__journal_remove_journal_head+9/130> <===== 2b: 83 7b 04 00 cmpl $0x0,0x4(%ebx) <===== Code; c01fab39 <__journal_remove_journal_head+d/130> 2f: 7d 29 jge 5a <_EIP+0x5a> c01fab64 <__journal_remove_journal_head+38/130> Code; c01fab3b <__journal_remove_journal_head+f/130> 31: 68 e0 a4 42 c0 push $0xc042a4e0 Code; c01fab40 <__journal_remove_journal_head+14/130> 36: 68 e3 06 00 00 push $0x6e3...

...> inv r12 > swpb r12 > mov.b r12, r12 > clrc > rrc r12 > rra r12 > rra r12 > rra r12 > rra r12 > rra r12 > rra r12 > ret > > isNotNegativeUsingCmp: ; @isNotNegativeUsingCmp > ; %bb.0: > mov r12, r13 > mov #1, r12 > tst r13 > jge .LBB1_2 > ; %bb.1: > clr r12 > .LBB1_2: > ret > > How do you intend to optimize code that is written in the 1st form? Or is > that not allowed in some way? > > On Wed, Nov 13, 2019 at 5:52 AM Joan Lluch via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > &gt...

On Wed, Nov 13, 2019 at 12:26 PM Joan Lluch via llvm-dev <llvm-dev at lists.llvm.org> wrote: > > Hi All, > > In relation to the subject of this message I got my first round of patches successfully reviewed and committed. As a matter of reference, they are the following: > > https://reviews.llvm.org/D69116 > https://reviews.llvm.org/D69120 >

Hi Dimitry, Thanks for your kind response! Thanks for the commit message of Jung's patch, I found that the bug had been fixed in OpenJDK 12 by Zhengyu https://bugs.openjdk.java.net/browse/JDK-8205965 But only backported to 11. So Jung could backport it for OpenJDK 8, thanks a lot! But I argue that the root cause might be in the compiler side, why clang-3.9.1, gcc-6.4.1 couldn't

...t, @function +start_hyper_text: + +.global host_syscall +host_syscall: + .quad 0 + +#define PRINT_L(L) \ + PRINT_OUT($L) + +#define PRINT_N(n) \ + PRINT_OUT($'0' + $n) + +#define PRINT_HEX(n) \ + mov n, %cl; \ + and $0xf, %cl; \ + cmp $0xa, %cl; \ + jge 11f; \ + add $'0', %cl; \ + jmp 12f; \ +11: add $('a' - 10), %cl; \ +12: PRINT_OUT(%cl); + +#define PRINT_NUM_BX \ +9: PRINT_HEX(%bl); \ + shr $4, %rbx; \ + jne 9b + +#define PRINT_NUM(n) \ + movl $n, %ebx; \ + PRINT_NUM_...