KR20090101061A - 프로세서 및 정보 처리 장치 - Google Patents
프로세서 및 정보 처리 장치 Download PDFInfo
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- KR20090101061A KR20090101061A KR1020080114556A KR20080114556A KR20090101061A KR 20090101061 A KR20090101061 A KR 20090101061A KR 1020080114556 A KR1020080114556 A KR 1020080114556A KR 20080114556 A KR20080114556 A KR 20080114556A KR 20090101061 A KR20090101061 A KR 20090101061A
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- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
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- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
- G06F9/3887—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by a single instruction for multiple data lanes [SIMD]
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Abstract
Description
Claims (11)
- 조건 데이터를 저장하는 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터에 기초하여, 스토어 데이터를 메모리에 저장할지 아닐지를 판정하는 조건부 부동 소수점 스토어 명령을 실행하는 연산부를 구비하는 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 상기 부동 소수점 레지스터의 최상위 비트에 상기 조건 데이터를 저장하는 것을 특징으로 하는 프로세서.
- 제2항에 있어서, 상기 연산부는 2개의 부동 소수점 레지스터의 값을 비교하여, 그 진위의 결과를 조건 데이터로서 부동 소수점 레지스터의 최상위 비트에 저장하는 부동 소수점 비교 연산 명령을 실행하는 것을 특징으로 하는 프로세서.
- 제2항에 있어서, 상기 연산부는 복수의 상기 조건 데이터 간의 비트 논리 연산 명령을 실행하는 것을 특징으로 하는 프로세서.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 조건부 부동 소수점 스토어 명령은, 조건 데이터가 참일 때 메모리에 기록하는 참 조건부 부동 소수점 스토어 명령, 또는 조건 데이터가 거짓일 때 메모리에 기록하는 거짓 조건부 부동 소수점 스토어 명령 중 어느 하나인 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 상기 부동 소수점 레지스터의 즉치(immediate) 필드를 수 비트 시프트하여 즉치 데이터를 생성하고, 그 즉치 데이터를 사용하여 어드레스를 생성하는 어드레스 생성부를 더 구비하는 것을 특징으로 하는 프로세서.
- 제1항에 있어서, 명령을 확정하는 커미트 제어부를 더 구비하고,상기 조건부 부동 소수점 스토어 명령이 그 커미트 제어부에 의해 커미트되기 전에, 프로그램 상 후속의 로드 명령이 동일한 메모리 어드레스에 발행된 경우, 스토어 조건이 성립할 때에는 스토어 데이터를 로드 데이터로서 레지스터부에 응답하고, 스토어 조건이 성립하지 않을 때에는 캐시부로부터 로드 데이터를 레지스터에 응답하는 것을 특징으로 하는 프로세서.
- SIMD 구성의 부동 소수점 레지스터를 구비하는 프로세서로서,조건 데이터를 저장하는, 상기 SIMD의 각 요소의 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터에 기초하여, 각 요소의 스토어 데이터를 메모리에 저장할지 아닐지를 판정하는 조건부 부동 소수점 스토어 명령을 실행하는 연산부를 구비하는 것을 특징으로 하는 프로세서.
- 프로세서에서 조건부 스토어 명령을 실행하기 위한 방법으로서,조건 데이터를 부동 소수점 레지스터에 저장하는 단계와,상기 부동 소수점 레지스터에 저장된 조건 데이터에 기초하여 스토어 데이터를 메모리에 스토어할지 아닐지를 판정하는 단계를 포함하는 것을 특징으로 하는 방법.
- SIMD 구성의 부동 소수점 레지스터를 구비하는 프로세서에서 조건부 스토어 명령을 실행하기 위한 방법으로서,조건 데이터를 상기 SIMD의 각 요소의 부동 소수점 레지스터에 저장하는 단계와,상기 부동 소수점 레지스터에 저장된 조건 데이터에 기초하여, 각 요소의 스토어 데이터를 메모리에 저장할지 아닐지를 판정하는 단계를 포함하는 것을 특징으로 하는 방법.
- 프로세서를 갖는 정보 처리 장치에 있어서,상기 프로세서는,조건 데이터를 저장하는 부동 소수점 레지스터와,상기 부동 소수점 레지스터에 저장된 조건 데이터에 기초하여, 스토어 데이터를 메모리에 저장할지 아닐지를 판정하는 조건부 부동 소수점 스토어 명령을 실행하는 연산부를 구비하는 것을 특징으로 하는 정보 처리 장치.
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JPJP-P-2008-073433 | 2008-03-21 | ||
JP2008073433A JP5326314B2 (ja) | 2008-03-21 | 2008-03-21 | プロセサおよび情報処理装置 |
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KR20090101061A true KR20090101061A (ko) | 2009-09-24 |
KR101016257B1 KR101016257B1 (ko) | 2011-02-25 |
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US (1) | US7945766B2 (ko) |
EP (1) | EP2104032B1 (ko) |
JP (1) | JP5326314B2 (ko) |
KR (1) | KR101016257B1 (ko) |
CN (1) | CN101539852B (ko) |
Cited By (1)
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KR20150008484A (ko) * | 2012-05-16 | 2015-01-22 | 퀄컴 인코포레이티드 | 명령 프로세싱 회로들, 및 관련 프로세서 시스템들, 방법들 및 컴퓨터―판독 가능 매체들에서 반대 컨디션들을 갖는 조건부 기록 명령들의 융합 |
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2008
- 2008-03-21 JP JP2008073433A patent/JP5326314B2/ja not_active Expired - Fee Related
- 2008-11-07 EP EP08168555A patent/EP2104032B1/en not_active Not-in-force
- 2008-11-18 KR KR1020080114556A patent/KR101016257B1/ko active IP Right Grant
- 2008-11-25 US US12/323,044 patent/US7945766B2/en not_active Expired - Fee Related
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20150008484A (ko) * | 2012-05-16 | 2015-01-22 | 퀄컴 인코포레이티드 | 명령 프로세싱 회로들, 및 관련 프로세서 시스템들, 방법들 및 컴퓨터―판독 가능 매체들에서 반대 컨디션들을 갖는 조건부 기록 명령들의 융합 |
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EP2104032B1 (en) | 2012-01-11 |
EP2104032A1 (en) | 2009-09-23 |
CN101539852B (zh) | 2013-01-23 |
JP2009230338A (ja) | 2009-10-08 |
JP5326314B2 (ja) | 2013-10-30 |
CN101539852A (zh) | 2009-09-23 |
US20090240927A1 (en) | 2009-09-24 |
US7945766B2 (en) | 2011-05-17 |
KR101016257B1 (ko) | 2011-02-25 |
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