Thread (18 messages) flat view 18 messages, 4 authors, 2014-06-12

Re: powerpc/ppc64: Allow allmodconfig to build (finally !)

From: Alan Modra <hidden>
Date: 2014-05-14 05:42:44

On Wed, May 14, 2014 at 01:34:34PM +1000, Stephen Rothwell wrote:
OK, this appears to be an assembler bug.
Agreed.  Upgrade binutils!
$ cat test.s
	.text
x:
	.pushsection	b, "a"
	beq y
	.popsection
	.=0x80000
y:
$ /opt/cross/gcc-4.6.3-nolibc/powerpc64-linux/bin/powerpc64-linux-as --version
GNU assembler (GNU Binutils) 2.22
This assembler was configured for a target of `powerpc64-linux'.
$ /opt/cross/gcc-4.6.3-nolibc/powerpc64-linux/bin/powerpc64-linux-as -o test.o test.s 
test.s: Assembler messages:
test.s:4: Error: operand out of range (0x0000000000080000 is not between 0xffffffffffff8000 and 0x0000000000007ffc)
$ /opt/cross/gcc-4.8.1-nolibc/powerpc64-linux/bin/powerpc64-linux-as --version
GNU assembler (GNU Binutils) 2.23.52.20130512
This assembler was configured for a target of `powerpc64-linux'.
$ /opt/cross/gcc-4.8.1-nolibc/powerpc64-linux/bin/powerpc64-linux-as -o test.o test.s 
(no error)

Alan, can you shed light on when it was fixed?
2012-11-05
https://sourceware.org/ml/binutils/2012-11/msg00043.html
git show 3b8b57a9495016b2b02fbc2612dd1607d4b6f9ba

The part that actually fixes this problem is "Leave insn field zero...".

-- 
Alan Modra
Australia Development Lab, IBM
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