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Date: Wed, 13 Aug 2014 13:53:14 +0200
From: u-igbb@...ey.se
To: musl@...ts.openwall.com
Subject: summary: compiling musl on x86_64 linux with pcc
On Wed, Aug 13, 2014 at 01:22:07PM +0200, u-igbb@...ey.se wrote:
> src/math/asinhl.c, line 25: compiler error: Cannot generate code, node 0x5be9e0 op TEMP
> error: XXXXXXXX/libexec/ccom terminated with status 1
>
> src/math/asinhl.c:
> 24: /* |x| >= 2 */
> 25: x = logl(2*x + 1/(sqrtl(x*x+1)+x));
Trial and error showed that it is enough to split the evaluation
into two expressions like
x = 2*x + 1/(sqrtl(x*x+1)+x);
x = logl(x);
to make the compiler happy. A similar change is necessary on another
line in the same file too.
Given the tweaks in
arch/x86_64/syscall_arch.h // let all __syscallN() call __syscall()
src/env/__init_tls.c // move #if conditional outside ()
src/math/asinhl.c // split log*() expressions
the compilation went through.
Rune
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