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52 Altera Corporation
32-Bit Instruction Set
FILL8
Byte-Fill
Operation:
R0 ← (
b0
RA :
b0
RA :
b0
RA :
b0
RA)
Assembler Syntax: FILL8 %r0,%rA
Example: FILL8 %r0,%o3 ; %r0 gets 4 copies of %o3[0..7]
; first operand must be %r0
Description: The least-significant byte of RA is copied into all four byte-positions in %r0. %r0
is the only allowed destination operand for FILL instructions.
Condition Codes: Flags: Unaffected
Instruction Format: Rw
Instruction Fields A = Register index of operand RA
1514131211109876543210
011111 10010 A
NVZC
−−−−