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Fix wrong decoder of ld/st instructions and wrong behavior of sign extension of 32-bit regsize instructions. #8

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@twocode twocode commented Mar 28, 2014

  1. handle_ldst() failed to decode load/store (signed) byte/halfword/word instructions without this patch.
  2. When regsize is 32, then sign-extension only functions to sign extend the lower 32 bits of the destination register.

twocode added 8 commits March 25, 2014 23:04
This bug resolves this bug by adding the decoding rule for handling nzcv
modifications.
…king in 32-bit regsize mode.

Only low 32 bits should be anded and referred for setting the n value in pstate.
…oupstream

Conflicts:
	target-arm/translate-a64.c
Fix wrong behavior of sign extension scope of 32-bit regsize instrunctions.
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