On 10/8/19 4:39 AM, Jozef Lawrynowicz wrote: > This patch has the functional changes to optimize zero_extend insns and > pointer > manipulation in the large memory model. > > > 0002-MSP430-PSImode-pointer-manipulation-and-zero-extend-.patch > > From f8156e115c4743ce94a86835ffa5601b6d28a555 Mon Sep 17 00:00:00 2001 > From: Jozef Lawrynowicz <joze...@mittosystems.com> > Date: Mon, 7 Oct 2019 11:44:16 +0100 > Subject: [PATCH 2/2] MSP430: PSImode pointer manipulation and zero extend insn > optimizations > > gcc/ChangeLog: > > 2019-10-08 Jozef Lawrynowicz <joze...@mittosystems.com> > > * config/msp430/msp430.md (movqipsi): New. > (zero_extendqipsi2): New. > (zero_extendqisi2): Optimize case where src register and base dst > register are the same. > (zero_extendhipsi2): Don't use 430X insn for rYs->r case. > (zero_extendpsisi2): Optimize r->m case. > Add unnamed insn patterns to catch insns combine searches for when > optimizing pointer manipulation. So you've got a movqipsi and zero_extendqipsi2 with the same RTL structure. ISTM the movqipsi should just get removed.
OK with that change. jeff
