Add the following additional Section to Fixed-Point Load: Book I 3.3.2.1
-## Load Byte and Zero with Post-Update
-
-D-Form
-
-```
- |0 |6 |9 |10 |11 |16 |31 |
- | PO | RT | RA| D |
-```
-
-* lbzup RT,D(RA)
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- ([0] * (XLEN-8)) || MEM(EA, 1)
- RA <- (RA) + EXTS(D)
-```
-
-Let the effective address (EA) be (RA|0).
-The byte in storage addressed by EA is loaded into
-RT[56:63]. RT[0:55] are set to 0.
-
-The sum (RA|0)+D is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Byte and Zero with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* lbzupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- ([0] * (XLEN-8)) || MEM(EA, 1)
- RA <- (RA) + (RB)
-```
-
-Let the effective address (EA) be (RA).
-The byte in storage addressed by EA is loaded into
-RT[56:63]. RT[0:55] are set to 0.
-
-The sum (RA)+(RB) is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Halfword and Zero with Post-Update
-
-D-Form
-
-```
- |0 |6 |9 |10 |11 |16 |31 |
- | PO | RT | RA| D |
-```
-
-* lhzup RT,D(RA)
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- ([0] * (XLEN-16)) || MEM(EA, 2)
- RA <- (RA) + EXTS(D)
-```
-
-Let the effective address (EA) be (RA|0).
-The halfword in storage addressed by EA is loaded into
-RT[48:63]. RT[0:47] are set to 0.
-
-The sum (RA|0)+D is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Halfword and Zero with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* lhzupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- ([0] * (XLEN-16)) || MEM(EA, 2)
- RA <- (RA) + (RB)
-```
-
-Let the effective address (EA) be (RA).
-The halfword in storage addressed by EA is loaded into
-RT[48:63]. RT[0:47] are set to 0.
-
-The sum (RA)+(RB) is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Halfword Algebraic with Post-Update
-
-D-Form
-
-```
- |0 |6 |9 |10 |11 |16 |31 |
- | PO | RT | RA| D |
-```
-
-* lhaup RT,D(RA)
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- EXTS(MEM(EA, 2))
- RA <- (RA) + EXTS(D)
-```
-
-Special Registers Altered:
-
- None
-
-## Load Halfword Algebraic with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* lhaupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- EXTS(MEM(EA, 2))
- RA <- (RA) + (RB)
-```
-
-Special Registers Altered:
-
- None
-
-## Load Word and Zero with Post-Update
-
-D-Form
-
-```
- |0 |6 |9 |10 |11 |16 |31 |
- | PO | RT | RA| D |
-```
-
-* lwzup RT,D(RA)
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- [0]*32 || MEM(EA, 4)
- RA <- (RA) + EXTS(D)
-```
-
-Let the effective address (EA) be (RA|0).
-The word in storage addressed by EA is loaded into
-RT[32:63]. RT[0:31] are set to 0.
-
-The sum (RA|0)+D is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Word and Zero with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* lwzupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- [0] * 32 || MEM(EA, 4)
- RA <- (RA) + (RB)
-```
-
-Let the effective address (EA) be (RA).
-The word in storage addressed by EA is loaded into
-RT[32:63]. RT[0:31] are set to 0.
-
-The sum (RA)+(RB) is placed into register RA.
-
-If RA=0 or RA=RT, the instruction form is invalid.
-
-Special Registers Altered:
-
- None
-
-## Load Word Algebraic with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* lwaupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- EXTS(MEM(EA, 4))
- RA <- (RA) + (RB)
-```
-
-Special Registers Altered:
-
- None
-
-## Load Doubleword with Post-Update Indexed
-
-DS-Form
-
-* ldup RT,DS(RA)
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- MEM(EA, 8)
- RA <- (RA) + EXTS(DS || 0b00)
-```
-
-Special Registers Altered:
-
- None
-
-## Load Doubleword with Post-Update Indexed
-
-X-Form
-
-```
- |0 |6 |7|8|9 |10 |11|12|13 |15|16|17 |20|21 |31 |
- | PO | RT | RA | RB | XO | / |
-```
-
-* ldupx RT,RA,RB
-
-Pseudo-code:
-
-```
- EA <- (RA)
- RT <- MEM(EA, 8)
- RA <- (RA) + (RB)
-```
-
-Special Registers Altered:
-
- None
+TODO: move the inline import to pifixedload here... (separate commit).
-----