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[src/trunk]: src/sys/arch/ia64 add note about pmap.c compilation warnings



details:   https://anonhg.NetBSD.org/src/rev/c0aeaade24ea
branches:  trunk
changeset: 997965:c0aeaade24ea
user:      scole <scole%NetBSD.org@localhost>
date:      Wed Apr 03 21:03:06 2019 +0000

description:
add note about pmap.c compilation warnings

diffstat:

 sys/arch/ia64/TODO |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (14 lines):

diff -r 5705443ba53e -r c0aeaade24ea sys/arch/ia64/TODO
--- a/sys/arch/ia64/TODO        Wed Apr 03 20:34:18 2019 +0000
+++ b/sys/arch/ia64/TODO        Wed Apr 03 21:03:06 2019 +0000
@@ -15,6 +15,10 @@
 
 Tasks remaining, first couple seem most important:
 
+- pmap.c is getting compilation warnings (for gcc6 & gcc7) like
+  /var/tmp//cckQKcKn.s:7614: Warning: Use of 'st8' may violate RAW dependency 'RR#' (data)
+  ...
+  how to change compile flags for specific kernel file like "CFLAGS.pmap.c+= -O0" ?
 - context switching and forking appear unfinished,
   vm_machdep.c::cpu_lwp_fork() appears incomplete
 - pmap module, imported from freebsd but still needs more work and



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