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For WORD32 parameters, the upper half of the parameter
registers is undefined (even though it is zero in most cases).
When easily doable, use the 'w' register names for such
parameters instead of doing the sign extension with a
separate instruction.
This fixes crashes in some configurations, when built with
clang, which can pass nonzero bits in the high half of registers
more aggressively than GCC.
Also fix the parameter/register mappings; use wN register
names where applicable, and fix incorrect parameter
placement. (Some functions still were documented to have
only 4 parameters in registers.)
Change-Id: Icedf6503b064149d1a651ff1c6a76de5c01722ea
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When specifying one specific lane of the vector, the number of
lanes don't need to be specified.
The clang built-in assembler doesn't allow the redundant
declarations, while binutils gas work fine with both forms.
Change-Id: I86077ce0774d4594a1295b6860e4944df87dde2f
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Change-Id: Ia4f99d5b963acd8d8a1afc2fbdf06b122d898f63
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Change-Id: I7efe9a589cd24edf86e8d086b40c27cbbf8b4017
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