Re: Frozen

[Andreas Born <futur.andy@googlemail.com>]

Am 04.03.2012 13:17, schrieb Vladimir 'φ-coder/phcoder' Serbinenko:
> You forget the case line_start = 0. Please try:
> -        for (i = k - 1; i > (signed) line_start - 1 && i >= 0;
> +        for (i = k - 1; i >= 0 && (unsigned) i >= line_start; 

Fixes it here with gcc 4.5.2. But now getting:
gcc -DHAVE_CONFIG_H -I. -I..  -Wall -W -I../include -I../include  
-DGRUB_MACHINE_PCBIOS=1 -DGRUB_MACHINE=I386_PC -DGRUB_TARGET_CPU_I386=1 
-m32 -nostdinc -isystem 
/usr/lib64/gcc/x86_64-slackware-linux/4.5.2/include 
-DGRUB_FILE=\"video/bitmap_scale.c\" -I. -I. -I.. -I.. -I../include 
-I../include     -Os -Wall -W -Wshadow -Wold-style-declaration 
-Wold-style-definition -Wpointer-arith -Wundef -Wextra -Waddress 
-Warray-bounds -Wattributes -Wbuiltin-macro-redefined -Wcast-align 
-Wchar-subscripts -Wclobbered -Wcomment -Wcoverage-mismatch -Wdeprecated 
-Wdeprecated-declarations -Wdisabled-optimization -Wdiv-by-zero 
-Wempty-body -Wendif-labels -Wfloat-equal -Wformat-contains-nul 
-Wformat-extra-args -Wformat-security -Wformat-y2k -Wignored-qualifiers 
-Wimplicit -Wimplicit-function-declaration -Wimplicit-int -Winit-self 
-Wint-to-pointer-cast -Winvalid-pch -Wunsafe-loop-optimizations 
-Wlogical-op -Wmain -Wmissing-braces -Wmissing-field-initializers 
-Wmissing-format-attribute -Wmissing-noreturn -Wmudflap -Wmultichar 
-Wnonnull -Woverflow -Wpacked-bitfield-compat -Wparentheses 
-Wpointer-arith -Wpointer-to-int-cast -Wreturn-type -Wsequence-point 
-Wshadow -Wsign-compare -Wstrict-aliasing -Wswitch -Wsync-nand 
-Wtrigraphs  -Wtype-limits -Wundef -Wuninitialized -Wunknown-pragmas 
-Wunused -Wunused-function -Wunused-label -Wunused-parameter 
-Wunused-value  -Wunused-variable -Wvariadic-macros 
-Wvolatile-register-var -Wwrite-strings -Wmissing-parameter-type 
-Wnested-externs -Wstrict-prototypes -Wpointer-sign -g -Wredundant-decls 
-Wmissing-prototypes -Wmissing-declarations -falign-jumps=1 
-falign-loops=1 -falign-functions=1 -mno-mmx -mno-sse -mno-sse2 
-mno-3dnow -fno-dwarf2-cfi-asm -fno-asynchronous-unwind-tables -m32 
-fno-stack-protector -mno-stack-arg-probe -Werror   -mrtd 
-mregparm=3       -ffreestanding   -MT 
video/bitmap_scale_module-bitmap_scale.o -MD -MP -MF 
video/.deps-core/bitmap_scale_module-bitmap_scale.Tpo -c -o 
video/bitmap_scale_module-bitmap_scale.o `test -f 'video/bitmap_scale.c' 
|| echo './'`video/bitmap_scale.c
distcc[1015] ERROR: compile /home/shador/.ccache/tmp/linux.tmp.nyx.927.i 
on localhost failed
cc1: warnings being treated as errors
loader/i386/linux.c: In function 'grub_cmd_linux':
loader/i386/linux.c:292:13: error: cannot optimize possibly infinite loops
make[3]: *** [loader/i386/linux_module-linux.o] Error 1

Suggestion:
-    for (; err && *align >= min_align; (*align)--)
+    for (; err && *align + 1 > min_align; (*align)--)

That's the last one I get with my version of gcc.