[Bug c/17230] New: unwanted stack allocation
pluto at pld-linux dot org
gcc-bugzilla@gcc.gnu.org
Sun Aug 29 16:31:00 GMT 2004
#define PAGE_SIZE 32768
#define PAGE_SHIFT \
  ((PAGE_SIZE > 65536) ? (-1) \
  : ((const unsigned long[]){12,13,14,-1,15,-1,-1,-1,16}[PAGE_SIZE>>13]))
int test() { return PAGE_SHIFT; }
# gcc test.c -c -fomit-frame-pointer -O2 -S
# (gcc version 3.4.2 20040820 (prerelease) (PLD Linux))
test:
    subl   $60, %esp <-- what for?
    movl   $15, %eax
    addl   $60, %esp
    ret
--
Summary: unwanted stack allocation
Product: gcc
Version: 3.4.2
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pluto at pld-linux dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: pentium3-pld-linux
GCC host triplet: pentium3-pld-linux
GCC target triplet: pentium3-pld-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17230
More information about the Gcc-bugs
mailing list