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Add trap codes to the Cretonne IL.

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The trap and trapz/trapnz instructions now take a trap code immediate
operand which indicates the reason for trapping.
This commit is contained in:
Jakob Stoklund Olesen
2017-09-20 13:58:57 -07:00
parent 0f21fd342a
commit e8723be33f
28 changed files with 199 additions and 62 deletions
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4
cranelift/filetests/parser/instruction_encoding.cton
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@@ -7,7 +7,7 @@ isa riscv
function %foo(i32, i32) {
ebb1(v0: i32 [%x8], v1: i32):
[-,-] v2 = iadd v0, v1
[-] trap
[-] trap heap_oob
[R#1234, %x5, %x11] v6, v7 = iadd_cout v2, v0
[Rshamt#beef, %x25] v8 = ishl_imm v6, 2
v9 = iadd v8, v7
@@ -16,7 +16,7 @@ ebb1(v0: i32 [%x8], v1: i32):
; sameln: function %foo(i32, i32) native {
; nextln: $ebb1($v0: i32 [%x8], $v1: i32):
; nextln: [-,-]$WS $v2 = iadd $v0, $v1
; nextln: [-]$WS trap
; nextln: [-]$WS trap heap_oob
; nextln: [R#1234,%x5,%x11]$WS $v6, $v7 = iadd_cout $v2, $v0
; nextln: [Rshamt#beef,%x25]$WS $v8 = ishl_imm $v6, 2
; nextln: [-,-]$WS $v9 = iadd $v8, $v7