Displaying 6 results from an estimated 6 matches for "oqe".
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2008 May 27
1
[LLVMdev] Float compare-for-equality and select optimizationopportunity
Both ZF and PF will be set if unordered, so the code below is IEEE
correct...you want to generate 'fcmp ueq' instead of 'fcmp oqe'
This is the resulting x86 assembly code:
movss xmm0,dword ptr [ecx+4]
ucomiss xmm0,dword ptr [ecx+8]
sete al
setnp dl
test dl,al
mov edx,edi
cmovne edx,ecx
cmovne ecx,esi
cmovne esi,edi
While I'm pleasantly s...
2008 May 27
0
[LLVMdev] Float compare-for-equality and select optimizationopportunity
...: Tuesday, 27 May, 2008 14:07
To: 'LLVM Developers Mailing List'
Subject: Re: [LLVMdev] Float compare-for-equality and select
optimizationopportunity
Both ZF and PF will be set if unordered, so the code below is IEEE
correct...you want to generate 'fcmp ueq' instead of 'fcmp oqe'
This is the resulting x86 assembly code:
movss xmm0,dword ptr [ecx+4]
ucomiss xmm0,dword ptr [ecx+8]
sete al
setnp dl
test dl,al
mov edx,edi
cmovne edx,ecx
cmovne ecx,esi
cmovne esi,edi
While I'm pleasantly s...
2008 May 27
1
[LLVMdev] Float compare-for-equality andselect optimizationopportunity
...: Tuesday, 27 May, 2008 14:07
To: 'LLVM Developers Mailing List'
Subject: Re: [LLVMdev] Float compare-for-equality and select
optimizationopportunity
Both ZF and PF will be set if unordered, so the code below is IEEE
correct...you want to generate 'fcmp ueq' instead of 'fcmp oqe'
This is the resulting x86 assembly code:
movss xmm0,dword ptr [ecx+4]
ucomiss xmm0,dword ptr [ecx+8]
sete al
setnp dl
test dl,al
mov edx,edi
cmovne edx,ecx
cmovne ecx,esi
cmovne esi,edi
While I'm pleasantly s...
2008 May 27
3
[LLVMdev] Float compare-for-equality and select optimization opportunity
Hi all,
I'm trying to generate code containing an ordered float compare for
equality, and select. The resulting code however has an unordered compare
and some Boolean logic that I think could be eliminated. In C syntax the
code looks like this:
float x, y;
int a, b, c
if(x == y) // Rotate the integers
{
int t;
t = a;
a = b;
2020 Feb 27
2
[PATCH] Update the 5 year logo to 10 year logo
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2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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