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  • kernel/arch/amd64/Makefile.inc

    r740018f rda52547  
    3333
    3434FPU_NO_CFLAGS = -mno-sse -mno-sse2
    35 
    36 #
    37 # FIXME:
    38 #
    39 # The -fno-optimize-sibling-calls should be removed as soon as a bug
    40 # in GCC concerning the "large" memory model and tail call optimization
    41 # is fixed.
    42 #
    43 # If GCC generates a code for tail call, instead of generating ..
    44 #
    45 #   jmp *fnc
    46 #
    47 # it generates an assembly code with an illegal immediate prefix:
    48 #
    49 #   jmp *$fnc
    50 #
    51 
    52 CMN1 = -m64 -mcmodel=large -mno-red-zone -fno-unwind-tables -fno-omit-frame-pointer -fno-optimize-sibling-calls
     35CMN1 = -m64 -mcmodel=large -mno-red-zone -fno-unwind-tables -fno-omit-frame-pointer
    5336GCC_CFLAGS += $(CMN1)
    5437ICC_CFLAGS += $(CMN1)
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