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properly flushes pipeline after jump

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Brendan Haines
2020-11-06 23:18:37 -07:00
parent c25b9bcb0f
commit 1290418aa3
4 changed files with 126 additions and 97 deletions
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9
test/test.S
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@ -201,7 +201,7 @@ _start:
auipc x3, 0 # x3 = pc + 0
auipc x4, 3 # x4 = pc + 0x3000
auipc x5, 0xfffff # x5 = pc + 0xfffff000
# TODO: verify auipc adds and does not concatenate
# TODO: verify auipc adds and does not concatenate (must have PC>0xfff for this)
nop
nop
nop
@ -221,7 +221,12 @@ loop:
nop
nop
nop
j loop # loop forever
jal x1, loop # loop forever
addi x2, x0, 0 # NOTE: this should never be executed
addi x3, x0, 0 # NOTE: this should never be executed
addi x4, x0, 0 # NOTE: this should never be executed
addi x5, x0, 0 # NOTE: this should never be executed
addi x6, x0, 0 # NOTE: this should never be executed
nop
nop
nop