RE: [PATCH][GCC-10 backport] arm: Fix ICEs in no-literal-pool.c on MVE [PR97251]

[Kyrylo Tkachov via Gcc-patches]

> -----Original Message-----
> From: Przemyslaw Wirkus <przemyslaw.wir...@arm.com>
> Sent: 13 October 2020 10:56
> To: gcc-patches@gcc.gnu.org
> Cc: Richard Earnshaw <richard.earns...@arm.com>; ni...@redhat.com;
> Ramana Radhakrishnan <ramana.radhakrish...@arm.com>; Kyrylo
> Tkachov <kyrylo.tkac...@arm.com>
> Subject: [PATCH][GCC-10 backport] arm: Fix ICEs in no-literal-pool.c on MVE
> [PR97251]
> 
> This patch is a backport of PR97251 fix already commited to master.
> 
> OK for gcc-10 branch ?

Ok.
Thanks,
Kyrill

> 
> This patch fixes ICEs when compiling
> gcc/testsuite/gcc.target/arm/pure-code/no-literal-pool.c with
> -mfp16-format=ieee -mfloat-abi=hard -march=armv8.1-m.main+mve
> -mpure-code.
> 
> The existing conditions in the movsf/movdf expanders (as well as the
> no_literal_pool patterns) were too restrictive, requiring
> TARGET_HARD_FLOAT instead of TARGET_VFP_BASE, which caused
> unrecognised
> insns when compiling this testcase with integer MVE and -mpure-code.
> 
> gcc/:
> 
>       PR target/97251
>       * config/arm/arm.md (movsf): Relax TARGET_HARD_FLOAT to
>       TARGET_VFP_BASE.
>       (movdf): Likewise.
>       * config/arm/vfp.md (no_literal_pool_df_immediate): Likewise.
>       (no_literal_pool_sf_immediate): Likewise.