| commit | e2e05af6e189131162b533184eb04de5d597d544 | [log] [tgz] |
|---|---|---|
| author | eric fang <eric.fang@arm.com> | Mon Jun 21 02:11:25 2021 +0000 |
| committer | eric fang <eric.fang@arm.com> | Tue Jun 29 02:34:20 2021 +0000 |
| tree | c18cde83a3b17526fa77e0d13e521e365c134cb7 | |
| parent | 4bb0847b088eb3eb6122a18a87e1ca7756281dcc [diff] |
cmd/internal/obj/arm64: fix an encoding error of CMPW instruction For arm64 CMP, ADD and other similar extended register instructions, if there is no extension, the default extion is LSL<<0, but the default encoding value (the value of 'option' field) of 32-bit instruction and 64-bit instruction is different, 32-bit is 2 and 64-bit is 3. But the current assembler incorrectly encodes the value of 32-bit instruction to 3. This CL fixes this error. Change-Id: I0e09af2c9c5047a4ed2db7d1183290283db9c31c Reviewed-on: https://go-review.googlesource.com/c/go/+/329749 Reviewed-by: eric fang <eric.fang@arm.com> Reviewed-by: Cherry Mui <cherryyz@google.com> Run-TryBot: eric fang <eric.fang@arm.com> Run-TryBot: Cherry Mui <cherryyz@google.com> Trust: Dmitri Shuralyov <dmitshur@golang.org>
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