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authorMikael Pettersson <[email protected]>2015-03-27 13:13:00 +0100
committerZandra Hird <[email protected]>2015-04-22 16:17:57 +0200
commit086af2a9f8fffefd8fb8330cc45bdf1e698809df (patch)
tree9fa57f8584fecfc1187eb91940046e0c09683234 /HOWTO
parentbf3b377220f2531b9b101f32222067beb3ea750b (diff)
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erts/hipe: unbreak arity 4 BIFs
This fixes arity 4 BIF support in HiPE, following its introduction on master (OTP 18) via the nox/ets-update_counter-4 merge. - define standard_bif_interface_4, nbif_4_gc_after_bif, and nbif_4_simple_exception on ARM: unbreaks the build on ARM - remove bogus stack re-alignment from standard_bif_interface_4 on AMD64: for 4-arg BIFs the stack is already aligned, and the code would misalign the C stack which violates the ABI and may cause alignment faults in vectorized code - the nbif_4_simple_exception OPD name on PPC64 was incorrectly using the nbif_3_simple_exception OPD name: this would have caused a multiple definition error in the assembler or linker In addition there are a few cleanups: - fix standard_bif_interface_N comment on x86 - fix standard_bif_interface_4 comment on SPARC - separate nbif_N_simple_exception blocks by empty lines on PPC, like on ARM, to clearly show which things belong together - fix standard_bif_interface_N comment on ARM - fix standard_bif_interface_4 on AMD64 to match the indentation and spacing conventions of the rest of that file
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