Re: [PATCH 0/4] tcg: Canonicalize SUBI to ANDI

[Richard Henderson <richard.henderson@linaro.org>]

Ping.

On 10/25/23 18:39, Richard Henderson wrote:
> Supercedes: 20231025185956.72677-1-pbonzini@redhat.com
> ("tcg: allow a target to request canonicalization of SUBI to ADDI")
> 
> Based-on: 20231025072707.833943-1-richard.henderson@linaro.org
> ("tcg: Introduce TCG_COND_TST{EQ,NE}")
> There a couple of optimize.c routines introduced which I use here.
> 
> The final NOTFORMERGE patch suggests that I've caught all of the
> cases, but I certainly wouldn't want to merge the assert without
> a lot more testing.
> 
> 
> r~
> 
> 
> Richard Henderson (4):
>    tcg: Canonicalize subi to addi during opcode generation
>    tcg/optimize: Canonicalize subi to addi during optimization
>    tcg/optimize: Canonicalize sub2 with constants to add2
>    NOTFORMERGE tcg/i386: Assert sub of immediate has been folded
> 
>   tcg/optimize.c            | 35 +++++++++++++++++++++++++---
>   tcg/tcg-op.c              | 25 +++++++-------------
>   tcg/tcg.c                 | 49 ++++++++++++++++++++++++++-------------
>   tcg/i386/tcg-target.c.inc | 13 ++++++++---
>   4 files changed, 84 insertions(+), 38 deletions(-)
>