Re: [PATCH 1/2] VAX: Check the correct operand for constant 0 push operation

2020-12-13 Thread Jeff Law via Gcc-patches
On 12/12/20 5:05 AM, Maciej W. Rozycki wrote: > Check the output operand for representing pushing a value onto the stack > rather than the constant 0 input in determining whether to use the PUSHL > or the CLRL instruction for a SImode move. The latter actually works by > means of using the p

[PATCH 1/2] VAX: Check the correct operand for constant 0 push operation

2020-12-12 Thread Maciej W. Rozycki
Check the output operand for representing pushing a value onto the stack rather than the constant 0 input in determining whether to use the PUSHL or the CLRL instruction for a SImode move. The latter actually works by means of using the predecrement addressing mode with the SP register and the