From: Konstantinos Margaritis Date: Fri, 28 Apr 2023 11:28:58 +0000 (+0000) Subject: DCTI is just a variant of A X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fbbcddb868ad46fb2a42eabbbff75dc231f7c9d6;p=libreriscv.git DCTI is just a variant of A --- diff --git a/openpower/sv/twin_butterfly.mdwn b/openpower/sv/twin_butterfly.mdwn index 21cb5f251..8e0066801 100644 --- a/openpower/sv/twin_butterfly.mdwn +++ b/openpower/sv/twin_butterfly.mdwn @@ -34,7 +34,7 @@ The instruction will run in accumulate mode, so in order to calculate the 2-coef # [DRAFT] Integer Butterfly Multiply Add/Sub FFT/DCT -DCTI-Form +A-Form * maddsubrs RT,RA,RB,SH @@ -57,18 +57,19 @@ Special Registers Altered: None ``` -Where DCTI-Form is defined in fields.txt: +Where we have added this variant in A-Form (defined in fields.txt): ``` -# 1.6.7.2 DCTI-FORM - |0 | 6 |11 |16 |21 |25 |31 | - | PO | RT | RA | RB | SH | XO | Rc | +# # 1.6.17 A-FORM + |0 |6 |11 |16 |21 |26 |31 | + ... + | PO | RT | RA | RB | SH | XO |Rc | ``` The instruction has been added to `minor_22.csv`: ``` -------01000,ALU,OP_MADDSUBRS,RT,CONST_UI,RB,RT,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,1,0,RC_ONLY,0,0,maddsubrs,DCTI,,1,unofficial until submitted and approved/renumbered by the opf isa wg +------01000,ALU,OP_MADDSUBRS,RT,CONST_SH,RB,RT,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,1,0,RC_ONLY,0,0,maddsubrs,A,,1,unofficial until submitted and approved/renumbered by the opf isa wg ```