Date: Mon, 05 Jan 2015 11:31:11 +0100 From: Anders Magnusson <ragge@...d.ltu.se> To: Isaac Dunham <ibid.ag@...il.com> CC: musl@...ts.openwall.com, pcc@...ts.ludd.ltu.se Subject: Re: [Pcc] pcc i386 -fPIC compiler error on src/complex/catanf.c Isaac Dunham skrev den 2015-01-04 22:04: > On Sun, Jan 04, 2015 at 08:24:54PM +0100, Anders Magnusson wrote: >> Iain Hibbert skrev den 2015-01-04 18:47: >>> On Sat, 3 Jan 2015, Isaac Dunham wrote: >>> >>>> Hello, >>>> With recent pcc (built from cvs since 1.1.0 was released), I've tried >>>> building musl a few times, but the shared build consistently dies >>>> on src/complex/catanf.c (command wrapped to avoid getting mangled >>>> in the mail): >>>> $ make >>>> pcc -std=c99 -nostdinc -ffreestanding -fexcess-precision=standard \ >>>> -frounding-math -D_XOPEN_SOURCE=700 -I./arch/i386 -I./src/internal \ >>>> -I./include -Os -pipe -fomit-frame-pointer -fno-unwind-tables \ >>>> -fno-asynchronous-unwind-tables -Wa,--noexecstack -march=i486 \ >>>> -Werror=implicit-function-declaration -Werror=implicit-int \ >>>> -Werror=pointer-sign -Werror=pointer-arith -fno-stack-protector \ >>>> -fPIC -DSHARED -c -o src/complex/catanf.lo src/complex/catanf.c >>>> src/complex/catanf.c, line 80: compiler error: bad STCALL hidden reg >>>> error: /usr/libexec/ccom terminated with status 1 >>>> Makefile:124: recipe for target 'src/complex/catanf.lo' failed >>>> make: *** [src/complex/catanf.lo] Error 1 >>>> >>>> Line 80 is the closing bracket of _redupif(), which is fairly basic >>>> floating point math. >>> it will likely be something inside that function that does not show up >>> until the function is being emitted. STCALL is something to do with >>> structure arguments, which some kinds of floating point are big enough to >>> be considered.. so I guess some kind of double or long double arguments? >>> >> This assertion occurs because pass2 code expects a hidden argument to be >> present when calling a struct return function, but the hidden arg cannot be >> found in the argument list, and in this special case the hidden arg shall be >> in a register. >> >> I would like a preprocessed output from the above to diagnose further (which >> means to just add a -E to the line above). > Ok, will send. > Thanks, fixed now. Float complex struct return were not dealt with as it should in the PIC case. -- Ragge
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.