On 30/11/16 17:39, Wilco Dijkstra wrote:
> The negdi2 patterns for ARM and Thumb-2 are duplicated because Thumb-2
> doesn't support RSC with an immediate. We can however emulate RSC with
> zero using a shifted SBC. If we add this to subsi3_carryin the negdi
> patterns can be merged, simplifying t
ping
From: Wilco Dijkstra
Sent: 30 November 2016 17:39
To: GCC Patches
Cc: nd; Bernd Edlinger
Subject: [PATCH][ARM] Merge negdi2 patterns
The negdi2 patterns for ARM and Thumb-2 are duplicated because Thumb-2
doesn't support RSC with an immediate. We can however emulate RSC
ping
From: Wilco Dijkstra
Sent: 30 November 2016 17:39
To: GCC Patches
Cc: nd; Bernd Edlinger
Subject: [PATCH][ARM] Merge negdi2 patterns
The negdi2 patterns for ARM and Thumb-2 are duplicated because Thumb-2
doesn't support RSC with an immediate. We can however emulate RSC with
The negdi2 patterns for ARM and Thumb-2 are duplicated because Thumb-2
doesn't support RSC with an immediate. We can however emulate RSC with
zero using a shifted SBC. If we add this to subsi3_carryin the negdi
patterns can be merged, simplifying things a bit (eg. if changing when to split
for PR
