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Doing 64bit addition with 2 high 32bit integers and 2 low 32bit integers. Are there more efficient ways of getting the carry bit?

score 125 · Answer 1 · 2024-11-23 12:48:13

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Doing 64bit addition with 2 high 32bit integers and 2 low 32bit integers. Are there more efficient ways of getting the carry bit?

125 views Asked by MNagy At 23 November 2024 at 12:48

score 5208 · Answer 2 · 2016-12-16 22:34:03

How are the carry and overflow flags used to calculate multiplication in x86

5.2k views Asked by some_id At 16 December 2016 at 22:34

score 6429 · Answer 3 · 2016-12-20 23:57:49

I can't understand some instructions in ARM: SBC, RSC

6.4k views Asked by Spacey At 20 December 2016 at 23:57

score 209 · Answer 4 · 2013-09-10 20:39:59

Branch and carry added by compiler

209 views Asked by MarkP At 10 September 2013 at 20:39

score 12105 · Answer 5 · 2012-01-23 00:07:13

carry/overflow & subtraction in x86

12.1k views Asked by Robz At 23 January 2012 at 00:07

score 781 · Answer 6 · 2013-12-27 15:12:49

Calculating the sign of a carry-save number

781 views Asked by Tom Bell At 27 December 2013 at 15:12

score 205 · Answer 7 · 2023-12-16 21:56:08

Aarch64 SUB etc instructions defined as add with carry operation

205 views Asked by Jorayen At 16 December 2023 at 21:56

score 133 · Answer 8 · 2012-05-18 02:22:07

Is the carry flag obsolete?

133 views Asked by phkahler At 18 May 2012 at 02:22

score 16513 · Answer 9 · 2011-11-07 09:16:24

Overflow and Carry flags on Z80

16.5k views Asked by PhilPotter1987 At 07 November 2011 at 09:16

score 441 · Answer 10 · 2020-12-09 13:54:42

How to set carry flag in specific bit in GPR without shifts / rotations?

441 views Asked by Max Azatian At 09 December 2020 at 13:54

TechQA.

List Question

Doing 64bit addition with 2 high 32bit integers and 2 low 32bit integers. Are there more efficient ways of getting the carry bit?

How are the carry and overflow flags used to calculate multiplication in x86

I can't understand some instructions in ARM: SBC, RSC

Branch and carry added by compiler

carry/overflow & subtraction in x86

Calculating the sign of a carry-save number

Aarch64 SUB etc instructions defined as add with carry operation

Is the carry flag obsolete?

Overflow and Carry flags on Z80

How to set carry flag in specific bit in GPR without shifts / rotations?

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