From 134d81e2ee4320334a0d992b47f7a6e65a7d4da8 Mon Sep 17 00:00:00 2001 From: lkcl Date: Mon, 16 Nov 2020 07:40:43 +0000 Subject: [PATCH] --- openpower/sv/16_bit_compressed.mdwn | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/openpower/sv/16_bit_compressed.mdwn b/openpower/sv/16_bit_compressed.mdwn index c09536c51..c61991f45 100644 --- a/openpower/sv/16_bit_compressed.mdwn +++ b/openpower/sv/16_bit_compressed.mdwn @@ -94,12 +94,14 @@ only available in 16-bit mode, and only available when M=1 and N=1 | 1 | o2 | RT | | 011 | RB|0 | offs | 1 | addis. | 1 | o2 | 0 | | 100 | RB | offs | 1 | cmpdi | 1 | o2 | 1 | | 100 | RB | offs | 1 | cmpwi - | 1 | o2 | X | | 101 | RA | offs | 1 | ldi - | 1 | o2 | X | | 110 | RA | offs | 1 | sti + | 1 | o2 | 0 | | 101 | RA | offs | 1 | ldi + | 1 | o2 | 1 | | 101 | RA | offs | 1 | lwi + | 1 | o2 | 0 | | 110 | RA | offs | 1 | flwi + | 1 | o2 | 1 | | 110 | RA | offs | 1 | fldi * Note that bc is included (below) * immediate is constructed from offs (LSBs) and o2 (MSB) -* X=0 is 32 bit (lwi), X=1 is 64 bit (ldi). offset is aligned. +* for loads, offset is aligned. 8byte: o2||offs||0b000 4byte: 0b00 * RB|0 if RB is zero, addi. becomes "li" ### Branch @@ -193,12 +195,12 @@ that do not fit in the extreme limited space. | 0 | 1 | 2 3 4 | | 567 | 8 9 a | b c d | e | f | | N | 1 | RT | | 100 | RB | RA!=0 | 0 | M | | N | 1 | RT | | 100 | RB | RA!=0 | 1 | M | - | N | 1 | RT | | 101 | RB | RA!=0 | 0 | M | - | N | 1 | RT | | 101 | RB | RA!=0 | 1 | M | + | N | 1 | RT | | 101 | RB | RA!=0 | 0 | M | xor + | N | 1 | RT | | 101 | RB | RA!=0 | 1 | M | eqv (xnor) | N | 1 | RT | | 100 | RB | 0 0 0 | 0 | M | extsb | N | 1 | RT | | 100 | RB | 0 0 0 | 1 | M | cnttz | N | 1 | RT | | 101 | RB | 0 0 0 | 0 | M | - | N | 1 | RT | | 101 | RB | 0 0 0 | 1 | M | + | N | 1 | RT | | 101 | RB | 0 0 0 | 1 | M | extsh 10 bit mode: -- 2.30.2