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Change -march=pentium4 to -march=pentium3 when CPUTYPE==p4, because gcc 3.2 is

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known to produce broken code with -march=pentium4.  Add a note explaining this.
This should be removed when we update to gcc 3.3 or the bug is otherwise fixed.

Approved by:	re
This commit is contained in:
Eric Anholt 2003-05-22 16:56:46 +00:00
parent 91665c5c32
commit b1aff8bff1
1 changed files with 3 additions and 1 deletions
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4
share/mk/bsd.cpu.mk
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@ -50,7 +50,9 @@ _CPUCFLAGS = -march=${CPUTYPE}
. elif ${CPUTYPE} == "k5"
_CPUCFLAGS = -march=pentium
. elif ${CPUTYPE} == "p4"
_CPUCFLAGS = -march=pentium4
# gcc 3.2 is known to produce broken code with -march=pentium4, so it is
# disabled for now. This is fixed in gcc 3.3.
_CPUCFLAGS = -march=pentium3
. elif ${CPUTYPE} == "p3"
_CPUCFLAGS = -march=pentium3
. elif ${CPUTYPE} == "p2"