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* [Bug rtl-optimization/28108] New: Some cse optimizations require hash collisions
@ 2006-06-20 19:43 amylaar at gcc dot gnu dot org
2006-06-20 20:04 ` [Bug rtl-optimization/28108] " steven at gcc dot gnu dot org
0 siblings, 1 reply; 2+ messages in thread
From: amylaar at gcc dot gnu dot org @ 2006-06-20 19:43 UTC (permalink / raw)
To: gcc-bugs
cse.c:hash_rtx has the same problem as found before in cse.c:cselib_hash_rtx
(PR rtl-optimization/22445). Hence, some optimiztions will only be done
if there is a convenient hash collision.
I.e. the MODE should not be used to calculate the hash value.
--
Summary: Some cse optimizations require hash collisions
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: amylaar at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28108
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-06-20 19:43 [Bug rtl-optimization/28108] New: Some cse optimizations require hash collisions amylaar at gcc dot gnu dot org
2006-06-20 20:04 ` [Bug rtl-optimization/28108] " steven at gcc dot gnu dot org
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