llvm-project

Commit Graph

Author	SHA1	Message	Date
Charlie Turner	6f13d0ca84	Fix BXJ is undefined in AArch32. BXJ was incorrectly said to be unsupported in ARMv8-A. It is not supported in the A64 instruction set, but it is supported in the T32 and A32 instruction sets, because it's listed as an instruction in the ARM ARM section F7.1.28. Using SP as an operand to BXJ changed from UNPREDICTABLE to PREDICTABLE in v8-A. This patch reflects that update as well. This was found by MCHammer. llvm-svn: 235024	2015-04-15 17:28:23 +00:00
Oliver Stannard	3256b26ef2	[Thumb2] BXJ should be undefined for v7M, v8A The Thumb2 BXJ instruction (Branch and Exchange Jazelle) is not defined for v7M or v8A. It is defined for all other Thumb2-supporting architectures (v6T2, v7A and v7R). llvm-svn: 218445	2014-09-25 10:02:05 +00:00

Author

SHA1

Message

Date

Charlie Turner

6f13d0ca84

Fix BXJ is undefined in AArch32.

BXJ was incorrectly said to be unsupported in ARMv8-A. It is not
supported in the A64 instruction set, but it is supported in the T32
and A32 instruction sets, because it's listed as an instruction in the
ARM ARM section F7.1.28.

Using SP as an operand to BXJ changed from UNPREDICTABLE to
PREDICTABLE in v8-A. This patch reflects that update as well.

This was found by MCHammer.

llvm-svn: 235024

2015-04-15 17:28:23 +00:00

Oliver Stannard

3256b26ef2

[Thumb2] BXJ should be undefined for v7M, v8A

The Thumb2 BXJ instruction (Branch and Exchange Jazelle) is not
defined for v7M or v8A. It is defined for all other Thumb2-supporting
architectures (v6T2, v7A and v7R).

llvm-svn: 218445

2014-09-25 10:02:05 +00:00

2 Commits