[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#35770: [PATCH] Broken duplicate case elimination in switch byte-comp
From: |
Mattias Engdegård |
Subject: |
bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation |
Date: |
Fri, 17 May 2019 11:33:41 +0200 |
The byte-code compiler attempts to eliminate duplicated cases when turning a
`cond' into a switch table, as in
(cond ((eq x 'a) 1)
(eq x 'b) 2)
(eq x 'a) 3)) ; remove
but it doesn't work properly, because of a confusion between expressions and
their values, and a logic error that would have discarded the entire table
instead of just skipped the duplicate.
This patch attempts to rectify that. I also removed a seemingly redundant
condition, the (consp condition), which should always be true at that point.
0001-Correctly-eliminate-duplicate-cases-in-switch-compil.patch
Description: Binary data
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation,
Mattias Engdegård <=
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Stefan Monnier, 2019/05/17
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/17
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Noam Postavsky, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Stefan Monnier, 2019/05/22
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Mattias Engdegård, 2019/05/26
- bug#35770: [PATCH] Broken duplicate case elimination in switch byte-compilation, Eli Zaretskii, 2019/05/26