[Bug middle-end/63793] -mcmodel=medium in gfortran on x86_64 emits references that are RIP relative (instead of using the GOT)

howarth at bromo dot med.uc.edu gcc-bugzilla@gcc.gnu.org
Thu Nov 13 15:51:00 GMT 2014


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63793

--- Comment #5 from howarth at bromo dot med.uc.edu ---
Checking this issue with current gcc trunk on x86_64 linux, I see differently
handling of sumpartgrid in the emitted assembly...

$ grep sumpartgrid convmix_kfeta.s
    movabsq    $sumpartgrid.3500@GOTOFF, %rax
    movabsq    $sumpartgrid.3500@GOTOFF, %rax
    movabsq    $sumpartgrid.3500@GOTOFF, %rdx
    movabsq    $sumpartgrid.3500@GOTOFF, %rdx
    movabsq    $sumpartgrid.3500@GOTOFF, %rdx
    .local    sumpartgrid.3500
    .largecomm    sumpartgrid.3500,4000000,64

for -mcmodel=medium



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