Encode alignment in MO_Memcpy and friends
authorBen Gamari <ben@smart-cactus.org>
Tue, 16 Jun 2015 18:16:16 +0000 (20:16 +0200)
committerBen Gamari <ben@smart-cactus.org>
Tue, 16 Jun 2015 18:16:16 +0000 (20:16 +0200)
Summary:
Alignment needs to be a compile-time constant. Previously the code
generators had to jump through hoops to ensure this was the case as the
alignment was passed as a CmmExpr in the arguments list. Now we take
care of this up front.

This fixes #8131.

Authored-by: Reid Barton <rwbarton@gmail.com>
Dusted-off-by: Ben Gamari <ben@smart-cactus.org>
Tests for T8131

Test Plan: Validate

Reviewers: rwbarton, austin

Reviewed By: rwbarton, austin

Subscribers: bgamari, carter, thomie

Differential Revision: https://phabricator.haskell.org/D624

GHC Trac Issues: #8131

1  2 
compiler/cmm/PprC.hs

Simple merge