llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-14 00:32:55 +00:00

History

Saleem Abdulrasool ddbde80aae ARM: support stack probe emission for Windows on ARM

This introduces the stack lowering emission of the stack probe function for
Windows on ARM. The stack on Windows on ARM is a dynamically paged stack where
any page allocation which crosses a page boundary of the following guard page
will cause a page fault. This page fault must be handled by the kernel to
ensure that the page is faulted in. If this does not occur and a write access
any memory beyond that, the page fault will go unserviced, resulting in an
abnormal program termination.

The watermark for the stack probe appears to be at 4080 bytes (for
accommodating the stack guard canaries and stack alignment) when SSP is
enabled.  Otherwise, the stack probe is emitted on the page size boundary of
4096 bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207615 91177308-0d34-0410-b5e6-96231b3b80d8

2014-04-30 07:05:07 +00:00

AArch64

AArch64: Mark vector long multiplication as expand.

2014-04-29 09:37:54 +00:00

ARM

ARM: support stack probe emission for Windows on ARM

2014-04-30 07:05:07 +00:00

ARM64

[ARM64]Fix a bug about incorrect operand order in an EXT instruction, which is introduced by r207485.

2014-04-29 07:51:19 +00:00

CPP

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