* [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc.
@ 2012-05-12 22:20 David Miller
2012-05-13 0:27 ` Tom Callaway
2012-05-13 1:23 ` David Miller
0 siblings, 2 replies; 3+ messages in thread
From: David Miller @ 2012-05-12 22:20 UTC (permalink / raw)
To: sparclinux
We should be agnostic to what gcc happens to be generating by default.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index eddcfb3..cd2afcc 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -30,7 +30,7 @@ export BITS := 32
UTS_MACHINE := sparc
#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
-KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
+KBUILD_CFLAGS += -m32 -mcpu=v7 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
KBUILD_AFLAGS += -m32 -Wa,-Av8
#LDFLAGS_vmlinux = -N -Ttext 0xf0004000
--
1.7.10
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc.
2012-05-12 22:20 [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc David Miller
@ 2012-05-13 0:27 ` Tom Callaway
2012-05-13 1:23 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: Tom Callaway @ 2012-05-13 0:27 UTC (permalink / raw)
To: sparclinux
On 05/12/2012 06:20 PM, David Miller wrote:
>
> We should be agnostic to what gcc happens to be generating by default.
If you're dropping sun4c, why not -mcpu=v8?
~tom
=
Fedora Project
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc.
2012-05-12 22:20 [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc David Miller
2012-05-13 0:27 ` Tom Callaway
@ 2012-05-13 1:23 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2012-05-13 1:23 UTC (permalink / raw)
To: sparclinux
From: Tom Callaway <tcallawa@redhat.com>
Date: Sat, 12 May 2012 20:27:45 -0400
> On 05/12/2012 06:20 PM, David Miller wrote:
>>
>> We should be agnostic to what gcc happens to be generating by default.
>
> If you're dropping sun4c, why not -mcpu=v8?
We cannot generate hardware multiply and divisde instructions until
we remove Cypress support.
Cypress is a sun4m chip but like sun4c it lacks HW integer multiply
and divide.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2012-05-13 1:23 UTC | newest]
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2012-05-12 22:20 [PATCH] sparc32: Pass -mcpu=v7 explicitly to gcc David Miller
2012-05-13 0:27 ` Tom Callaway
2012-05-13 1:23 ` David Miller
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