cranelift: Prevent overflow errors in interpreter for add,sub,mul
This commit is contained in:
Afonso Bordado
committed by
Andrew Brown
Andrew Brown
parent
c5609bc364
commit
a4770a7e28
305
cranelift/filetests/filetests/runtests/arithmetic.clif
Normal file
305
cranelift/filetests/filetests/runtests/arithmetic.clif
Normal file
@@ -0,0 +1,305 @@
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test interpret
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test run
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target aarch64
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target s390x
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target x86_64 machinst
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function %add_i64(i64, i64) -> i64 {
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block0(v0: i64,v1: i64):
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v2 = iadd v0, v1
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return v2
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}
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; run: %add_i64(0, 0) == 0
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; run: %add_i64(0, 1) == 1
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; run: %add_i64(-1, 0) == -1
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; run: %add_i64(-1, 1) == 0
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; run: %add_i64(0x7FFFFFFF_FFFFFFFF, 0x7FFFFFFF_FFFFFFFF) == -2
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; run: %add_i64(0x7FFFFFFF_FFFFFFFF, 0x80000000_00000000) == -1
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; run: %add_i64(0x01234567_89ABCDEF, 0xFEDCBA98_76543210) == -1
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; run: %add_i64(0xA00A00A0_0A00A00A, 0x0BB0BB0B_B0BB0BB0) == 0xABBABBAB_BABBABBA
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; run: %add_i64(0xC0FFEEEE_C0FFEEEE, 0x1DCB1111_1DCB1111) == 0xDECAFFFF_DECAFFFF
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function %add_i32(i32, i32) -> i32 {
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block0(v0: i32,v1: i32):
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v2 = iadd v0, v1
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return v2
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}
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; run: %add_i32(0, 0) == 0
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; run: %add_i32(0, 1) == 1
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; run: %add_i32(-1, 0) == -1
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; run: %add_i32(-1, 1) == 0
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; run: %add_i32(0x7FFFFFFF, 0x7FFFFFFF) == -2
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; run: %add_i32(0x7FFFFFFF, 0x80000000) == -1
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; run: %add_i32(0x01234567, 0xFEDCBA98) == -1
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; run: %add_i32(0xA00A00A0, 0x0BB0BB0B) == 0xABBABBAB
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; run: %add_i32(0xC0FFEEEE, 0x1DCB1111) == 0xDECAFFFF
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function %add_i16(i16, i16) -> i16 {
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block0(v0: i16,v1: i16):
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v2 = iadd v0, v1
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return v2
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}
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; run: %add_i16(0, 0) == 0
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; run: %add_i16(0, 1) == 1
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; run: %add_i16(-1, 0) == -1
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; run: %add_i16(-1, 1) == 0
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; run: %add_i16(0x7FFF, 0x7FFF) == -2
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; run: %add_i16(0x7FFF, 0x8000) == -1
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; run: %add_i16(0x0123, 0xFEDC) == -1
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; run: %add_i16(0xA00A, 0x0BB0) == 0xABBA
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; run: %add_i16(0xC0FF, 0x1DCB) == 0xDECA
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function %add_i8(i8, i8) -> i8 {
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block0(v0: i8,v1: i8):
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v2 = iadd v0, v1
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return v2
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}
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; run: %add_i8(0, 0) == 0
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; run: %add_i8(0, 1) == 1
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; run: %add_i8(-1, 0) == -1
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; run: %add_i8(-1, 1) == 0
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; run: %add_i8(0x7F, 0x7F) == -2
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; run: %add_i8(0x7F, 0x80) == -1
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; run: %add_i8(0x01, 0xFE) == -1
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; run: %add_i8(0xA0, 0x0B) == 0xAB
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; run: %add_i8(0xC0, 0x1D) == 0xDD
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function %sub_i64(i64, i64) -> i64 {
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block0(v0: i64,v1: i64):
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v2 = isub v0, v1
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return v2
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}
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; run: %sub_i64(0, 0) == 0
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; run: %sub_i64(0, 1) == -1
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; run: %sub_i64(1, 0) == 1
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; run: %sub_i64(-1, 0) == -1
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; run: %sub_i64(-1, 1) == -2
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; run: %sub_i64(0x80000000_00000000, 0x7FFFFFFF_FFFFFFFF) == 1
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; run: %sub_i64(0xFFFFFFFF_FFFFFFFF, 0xFEDCBA98_76543210) == 0x01234567_89ABCDEF
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; run: %sub_i64(0xABBABBAB_BABBABBA, 0x0BB0BB0B_B0BB0BB0) == 0xA00A00A0_0A00A00A
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; run: %sub_i64(0xC0FFEEEE_C0FFEEEE, 0xDECAFFFF_DECAFFFF) == 0xE234EEEE_E234EEEF
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function %sub_i32(i32, i32) -> i32 {
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block0(v0: i32,v1: i32):
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v2 = isub v0, v1
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return v2
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}
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; run: %sub_i32(0, 0) == 0
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; run: %sub_i32(0, 1) == -1
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; run: %sub_i32(1, 0) == 1
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; run: %sub_i32(-1, 0) == -1
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; run: %sub_i32(-1, 1) == -2
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; run: %sub_i32(0x80000000, 0x7FFFFFFF) == 1
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; run: %sub_i32(0xFFFFFFFF, 0xFEDCBA98) == 0x01234567
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; run: %sub_i32(0xABBABBAB, 0x0BB0BB0B) == 0xA00A00A0
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; run: %sub_i32(0xC0FFEEEE, 0xDECAFFFF) == 0xE234EEEF
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function %sub_i16(i16, i16) -> i16 {
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block0(v0: i16,v1: i16):
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v2 = isub v0, v1
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return v2
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}
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; run: %sub_i16(0, 0) == 0
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; run: %sub_i16(0, 1) == -1
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; run: %sub_i16(1, 0) == 1
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; run: %sub_i16(-1, 0) == -1
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; run: %sub_i16(-1, 1) == -2
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; run: %sub_i16(0x8000, 0x7FFF) == 1
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; run: %sub_i16(0xFFFF, 0xFEDC) == 0x0123
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; run: %sub_i16(0xABBA, 0x0BB0) == 0xA00A
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; run: %sub_i16(0xC0FF, 0xDECA) == 0xE235
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function %sub_i8(i8, i8) -> i8 {
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block0(v0: i8,v1: i8):
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v2 = isub v0, v1
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return v2
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}
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; run: %sub_i8(0, 0) == 0
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; run: %sub_i8(0, 1) == -1
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; run: %sub_i8(1, 0) == 1
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; run: %sub_i8(-1, 0) == -1
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; run: %sub_i8(-1, 1) == -2
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; run: %sub_i8(0x80, 0x7F) == 1
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; run: %sub_i8(0xFF, 0xFE) == 0x01
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; run: %sub_i8(0xAB, 0x0B) == 0xA0
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; run: %sub_i8(0xC0, 0xDE) == 0xE2
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function %mul_i64(i64, i64) -> i64 {
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block0(v0: i64,v1: i64):
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v2 = imul v0, v1
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return v2
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}
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; run: %mul_i64(0, 0) == 0
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; run: %mul_i64(0, 1) == 0
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; run: %mul_i64(1, -1) == -1
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; run: %mul_i64(2, 2) == 4
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; run: %mul_i64(0x7FFFFFFF_FFFFFFFF, 0x7FFFFFFF_FFFFFFFF) == 1
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; run: %mul_i64(0x80000000_00000000, 0x7FFFFFFF_FFFFFFFF) == 0x80000000_00000000
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; run: %mul_i64(0x01234567_89ABCDEF, 0xFEDCBA98_76543210) == 0x2236D88F_E5618CF0
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; run: %mul_i64(0xC0FFEEEE_C0FFEEEE, 0xDECAFFFF_DECAFFFF) == 0xDB6B1E48_19BA1112
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function %mul_i32(i32, i32) -> i32 {
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block0(v0: i32,v1: i32):
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v2 = imul v0, v1
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return v2
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}
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; run: %mul_i32(0, 0) == 0
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; run: %mul_i32(0, 1) == 0
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; run: %mul_i32(1, -1) == -1
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; run: %mul_i32(2, 2) == 4
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; run: %mul_i32(0x7FFFFFFF, 0x7FFFFFFF) == 1
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; run: %mul_i32(0x80000000, 0x7FFFFFFF) == 0x80000000
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; run: %mul_i32(0x01234567, 0xFEDCBA98) == 0x23E20B28
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; run: %mul_i32(0xC0FFEEEE, 0xDECAFFFF) == 0x19BA1112
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function %mul_i16(i16, i16) -> i16 {
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block0(v0: i16,v1: i16):
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v2 = imul v0, v1
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return v2
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}
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; run: %mul_i16(0, 0) == 0
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; run: %mul_i16(0, 1) == 0
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; run: %mul_i16(1, -1) == -1
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; run: %mul_i16(2, 2) == 4
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; run: %mul_i16(0x7FFF, 0x7FFF) == 1
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; run: %mul_i16(0x8000, 0x7FFF) == 0x8000
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; run: %mul_i16(0x0123, 0xFEDC) == 0xB414
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; run: %mul_i16(0xC0FF, 0xDECA) == 0x6B36
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function %mul_i8(i8, i8) -> i8 {
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block0(v0: i8,v1: i8):
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v2 = imul v0, v1
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return v2
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}
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; run: %mul_i8(0, 0) == 0
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; run: %mul_i8(0, 1) == 0
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; run: %mul_i8(1, -1) == -1
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; run: %mul_i8(2, 2) == 4
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; run: %mul_i8(0x7F, 0x7F) == 1
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; run: %mul_i8(0x80, 0x7F) == 0x80
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; run: %mul_i8(0x01, 0xFE) == 0xFE
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; run: %mul_i8(0xC0, 0xDE) == 0x80
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function %sdiv_i64(i64, i64) -> i64 {
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block0(v0: i64,v1: i64):
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v2 = sdiv v0, v1
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return v2
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}
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; run: %sdiv_i64(0, 1) == 0
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; run: %sdiv_i64(2, 2) == 1
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; run: %sdiv_i64(1, -1) == -1
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; run: %sdiv_i64(3, 2) == 1
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; run: %sdiv_i64(19, 7) == 2
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; run: %sdiv_i64(3, -2) == -1
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; run: %sdiv_i64(-19, 7) == -2
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; run: %sdiv_i64(0xC0FFEEEE_DECAFFFF, 8) == 0xF81FFDDD_DBD96000
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; run: %sdiv_i64(0xC0FFEEEE_DECAFFFF, -8) == 0x7E00222_2426A000
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function %sdiv_i32(i32, i32) -> i32 {
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block0(v0: i32,v1: i32):
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v2 = sdiv v0, v1
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return v2
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}
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; run: %sdiv_i32(0, 1) == 0
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; run: %sdiv_i32(2, 2) == 1
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; run: %sdiv_i32(1, -1) == -1
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; run: %sdiv_i32(3, 2) == 1
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; run: %sdiv_i32(19, 7) == 2
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; run: %sdiv_i32(3, -2) == -1
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; run: %sdiv_i32(-19, 7) == -2
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; run: %sdiv_i32(0xC0FFEEEE, 8) == 0xF81FFDDE
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; run: %sdiv_i32(0xC0FFEEEE, -8) == 0x7E00222
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function %sdiv_i16(i16, i16) -> i16 {
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block0(v0: i16,v1: i16):
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v2 = sdiv v0, v1
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return v2
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}
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; run: %sdiv_i16(0, 1) == 0
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; run: %sdiv_i16(2, 2) == 1
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; run: %sdiv_i16(1, -1) == -1
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; run: %sdiv_i16(3, 2) == 1
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; run: %sdiv_i16(19, 7) == 2
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; run: %sdiv_i16(3, -2) == -1
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; run: %sdiv_i16(-19, 7) == -2
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; run: %sdiv_i16(0xC0FF, 8) == 0xF820
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; run: %sdiv_i16(0xC0FF, -8) == 0x07E0
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function %sdiv_i8(i8, i8) -> i8 {
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block0(v0: i8,v1: i8):
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v2 = sdiv v0, v1
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return v2
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}
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; run: %sdiv_i8(0, 1) == 0
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; run: %sdiv_i8(2, 2) == 1
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; run: %sdiv_i8(1, -1) == -1
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; run: %sdiv_i8(3, 2) == 1
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; run: %sdiv_i8(19, 7) == 2
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; run: %sdiv_i8(3, -2) == -1
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; run: %sdiv_i8(-19, 7) == -2
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; run: %sdiv_i8(0xC0, 8) == 0xF8
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; run: %sdiv_i8(0xC0, -8) == 0x08
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function %udiv_i64(i64, i64) -> i64 {
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block0(v0: i64,v1: i64):
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v2 = udiv v0, v1
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return v2
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}
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; run: %udiv_i64(0, 1) == 0
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; run: %udiv_i64(2, 2) == 1
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; run: %udiv_i64(1, -1) == 0
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; run: %udiv_i64(3, 2) == 1
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; run: %udiv_i64(19, 7) == 2
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; run: %udiv_i64(3, -2) == 0
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; run: %udiv_i64(-19, 7) == 0x24924924_9249248F
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; run: %udiv_i64(0xC0FFEEEE_DECAFFFF, 8) == 0x181FFDDD_DBD95FFF
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; run: %udiv_i64(0xC0FFEEEE_DECAFFFF, -8) == 0
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function %udiv_i32(i32, i32) -> i32 {
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block0(v0: i32,v1: i32):
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v2 = udiv v0, v1
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return v2
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}
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; run: %udiv_i32(0, 1) == 0
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; run: %udiv_i32(2, 2) == 1
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; run: %udiv_i32(1, -1) == 0
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; run: %udiv_i32(3, 2) == 1
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; run: %udiv_i32(19, 7) == 2
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; run: %udiv_i32(3, -2) == 0
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; run: %udiv_i32(-19, 7) == 0x24924921
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; run: %udiv_i32(0xC0FFEEEE, 8) == 0x181FFDDD
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; run: %udiv_i32(0xC0FFEEEE, -8) == 0
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function %udiv_i16(i16, i16) -> i16 {
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block0(v0: i16,v1: i16):
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v2 = udiv v0, v1
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return v2
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}
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; run: %udiv_i16(0, 1) == 0
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; run: %udiv_i16(2, 2) == 1
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; run: %udiv_i16(1, -1) == 0
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; run: %udiv_i16(3, 2) == 1
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; run: %udiv_i16(19, 7) == 2
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; run: %udiv_i16(3, -2) == 0
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; run: %udiv_i16(-19, 7) == 0x248F
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; run: %udiv_i16(0xC0FF, 8) == 0x181F
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; run: %udiv_i16(0xC0FF, -8) == 0
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function %udiv_i8(i8, i8) -> i8 {
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block0(v0: i8,v1: i8):
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v2 = udiv v0, v1
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return v2
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}
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; run: %udiv_i8(0, 1) == 0
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; run: %udiv_i8(2, 2) == 1
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; run: %udiv_i8(1, -1) == 0
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; run: %udiv_i8(3, 2) == 1
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; run: %udiv_i8(19, 7) == 2
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; run: %udiv_i8(3, -2) == 0
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; run: %udiv_i8(-19, 7) == 0x21
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; run: %udiv_i8(0xC0, 8) == 0x18
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; run: %udiv_i8(0xC0, -8) == 0
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@@ -119,6 +119,12 @@ macro_rules! unary_match {
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};
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}
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macro_rules! binary_match {
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( $op:ident($arg1:expr, $arg2:expr); [ $( $data_value_ty:ident ),* ] ) => {
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match ($arg1, $arg2) {
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$( (DataValue::$data_value_ty(a), DataValue::$data_value_ty(b)) => { Ok(DataValue::$data_value_ty(a.$op(*b))) } )*
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_ => unimplemented!()
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}
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};
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( $op:tt($arg1:expr, $arg2:expr); [ $( $data_value_ty:ident ),* ] ) => {
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match ($arg1, $arg2) {
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$( (DataValue::$data_value_ty(a), DataValue::$data_value_ty(b)) => { Ok(DataValue::$data_value_ty(a $op b)) } )*
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@@ -272,19 +278,19 @@ impl Value for DataValue {
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}
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fn add(self, other: Self) -> ValueResult<Self> {
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binary_match!(+(&self, &other); [I8, I16, I32, I64]) // TODO: floats must handle NaNs, +/-0
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binary_match!(wrapping_add(&self, &other); [I8, I16, I32, I64]) // TODO: floats must handle NaNs, +/-0
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}
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fn sub(self, other: Self) -> ValueResult<Self> {
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binary_match!(-(&self, &other); [I8, I16, I32, I64]) // TODO: floats must handle NaNs, +/-0
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binary_match!(wrapping_sub(&self, &other); [I8, I16, I32, I64]) // TODO: floats must handle NaNs, +/-0
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}
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fn mul(self, other: Self) -> ValueResult<Self> {
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binary_match!(*(&self, &other); [I8, I16, I32, I64])
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binary_match!(wrapping_mul(&self, &other); [I8, I16, I32, I64])
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}
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fn div(self, other: Self) -> ValueResult<Self> {
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binary_match!(/(&self, &other); [I8, I16, I32, I64])
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binary_match!(/(&self, &other); [I8, I16, I32, I64, U8, U16, U32, U64])
|
||||
}
|
||||
|
||||
fn rem(self, other: Self) -> ValueResult<Self> {
|
||||
|
||||
Reference in New Issue
Block a user