| Message ID | 20170427120006.20564-3-rth@twiddle.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Richard Henderson <rth@twiddle.net> writes: > We have required a v9 cpu since 9b9c37c36439ee0452632253dac7a31897f27f70. > However, the flags we were using did not reliably enable v8plus, which > meant that the compiler didn't know it could inline 64-bit atomics. > > Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> > --- > configure | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/configure b/configure > index c35acf1..55dd9c3 100755 > --- a/configure > +++ b/configure > @@ -1206,12 +1206,12 @@ case "$cpu" in > LDFLAGS="-m64 $LDFLAGS" > ;; > sparc) > - LDFLAGS="-m32 $LDFLAGS" > - CPU_CFLAGS="-m32 -mcpu=ultrasparc" > + CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" > + LDFLAGS="-m32 -mv8plus $LDFLAGS" > ;; > sparc64) > - LDFLAGS="-m64 $LDFLAGS" > CPU_CFLAGS="-m64 -mcpu=ultrasparc" > + LDFLAGS="-m64 $LDFLAGS" > ;; > s390) > CPU_CFLAGS="-m31" -- Alex Bennée
diff --git a/configure b/configure index c35acf1..55dd9c3 100755 --- a/configure +++ b/configure @@ -1206,12 +1206,12 @@ case "$cpu" in LDFLAGS="-m64 $LDFLAGS" ;; sparc) - LDFLAGS="-m32 $LDFLAGS" - CPU_CFLAGS="-m32 -mcpu=ultrasparc" + CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" + LDFLAGS="-m32 -mv8plus $LDFLAGS" ;; sparc64) - LDFLAGS="-m64 $LDFLAGS" CPU_CFLAGS="-m64 -mcpu=ultrasparc" + LDFLAGS="-m64 $LDFLAGS" ;; s390) CPU_CFLAGS="-m31"
We have required a v9 cpu since 9b9c37c36439ee0452632253dac7a31897f27f70. However, the flags we were using did not reliably enable v8plus, which meant that the compiler didn't know it could inline 64-bit atomics. Signed-off-by: Richard Henderson <rth@twiddle.net> --- configure | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)