While trying to compile the latest version of XFree86 I found the following
compiler bug.
{root} gcc -v
Using builtin specs.
gcc version 2.95.2 19991024 (release)
I assume that this an old version of gcc...
xc/programs/Xserver/Xext
cc -c -pipe -O2 -ansi -pedantic -Dasm=__asm -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -I.
-I../include -I../../../exports/include/X11 -I../../../include/extensions
-I../../../include/fonts -I../mi -I../../../programs/Xserver/hw/xfree86/common
-I../../../include/fonts -I../../.. -I../../../exports/include -DCSRG_BASED -DSHAPE
-DXINPUT -DXKB -DLBX -DXAPPGROUP -DXCSECURITY -DTOGCUP -DXF86BIGFONT -DDPMSExtension
-DPIXPRIV -DPANORAMIX -DGCCUSESGAS -DAVOID_GLYPHBLT -DPIXPRIV -DSINGLEDEPTH
-DXFreeXDGA -DXvExtension -DXFree86LOADER -DXFree86Server -DXF86VIDMODE
-DX_BYTE_ORDER=X_LITTLE_ENDIAN -DSMART_SCHEDULE -DNDEBUG -DFUNCPROTO=15
-DNARROWPROTO xf86vmode.c
In file included from xf86vmode.c:41:
../include/extnsionst.h:91: warning: function declaration isn't a prototype
../include/extnsionst.h:100: warning: function declaration isn't a prototype
../include/extnsionst.h:106: warning: function declaration isn't a prototype
xf86vmode.c: In function `ProcXF86VidModeGetMonitor':
xf86vmode.c:1320: Unable to generate reloads for:
(insn 300 298 302 (parallel[
(set (reg:SI 0 %eax)
(fix:SI (fix:SF (subreg:SF (reg:SI 0 %eax) 0))))
(clobber (mem:HI (plus:SI (reg:SI 6 %ebp)
(const_int -34 [0xffffffde])) 0))
(clobber (mem:HI (plus:SI (reg:SI 6 %ebp)
(const_int -36 [0xffffffdc])) 0))
(clobber (mem:SI (plus:SI (reg:SI 6 %ebp)
(const_int -40 [0xffffffd8])) 0))
(clobber (scratch:HI))
] ) 145 {fix_truncsfsi2+1} (insn_list 293 (nil))
(expr_list:REG_DEAD (reg:SI 0 %eax)
(expr_list:REG_UNUSED (scratch:HI)
(nil))))
*** Error code 1
--
Amancio Hasty
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