Re: [PATCH][GCC-10 Backport] arm: Enable no-writeback vldr.16/vstr.16.

2020-08-18 Thread Richard Earnshaw
On 05/08/2020 10:28, Joe Ramsay wrote: > From: Joe Ramsay > > Hi, > > There was previously no way to specify that a register operand cannot > have any writeback modifiers, and as a result the argument to vldr.16 > and vstr.16 could be erroneously output with post-increment. This > change adds a

[PATCH][GCC-10 Backport] arm: Enable no-writeback vldr.16/vstr.16.

2020-08-05 Thread Joe Ramsay
From: Joe Ramsay Hi, There was previously no way to specify that a register operand cannot have any writeback modifiers, and as a result the argument to vldr.16 and vstr.16 could be erroneously output with post-increment. This change adds a constraint which forbids all writeback, and selects it