Infineon TriCore TC1.6P - Page 247

TriCore
®
TC1.6P & TC1.6E
32-bit Unified Processor Core
Instruction Set
V1.0 2013-07
User Manual (Volume 2) 3-200
sc1 = (D[a][31:16] == 8000
H
) AND (D[b][31:16] == 8000
H
) AND (n == 1);
sc0 = (D[a][15:0] == 8000
H
) AND (D[b][15:0] == 8000
H
) AND (n == 1);
result_word1 = sc1 ? 7FFFFFFF
H
: ((D[a][31:16] * D[b][31:16]) << n);
result_word0 = sc0 ? 7FFFFFFF
H
: ((D[a][15:0] * D[b][15:0]) << n);
result = E[d] + ((result_word1 + result_word0) << 16);
E[c] = ssov(result, 64); // Multi-precision accumulator
MADDMS.HE[c], E[d], D[a], D[b] UU, n (RRR1)
64 + (16L * 16U) + (16U * 16U) --> 64 saturated
sc1 = (D[a][15:0] == 8000
H
) AND (D[b][31:16] == 8000
H
) AND (n == 1);
sc0 = (D[a][31:16] == 8000
H
) AND (D[b][31:16] == 8000
H
) AND (n == 1);
result_word1 = sc1 ? 7FFFFFFF
H
: ((D[a][15:0] * D[b][31:16]) << n);
result_word0 = sc0 ? 7FFFFFFF
H
: ((D[a][31:16] * D[b][31:16]) << n);
result = E[d] + ((result_word1 + result_word0) << 16);
E[c] = ssov(result, 64); // Multi-precision accumulator
Status Flags
Examples
-
See Also
-
C Not set by these instructions.
V overflow = (result > 7FFFFFFFFFFFFFFF
H
) OR (result < -8000000000000000
H
);
if (overflow) then PSW.V = 1 else PSW.V = 0;
SV if (overflow) then PSW.SV = 1 else PSW.SV = PSW.SV;
AV advanced_overflow = result[63] ^ result[62];
if (advanced_overflow) then PSW.AV = 1 else PSW.AV = 0;
SAV if (advanced_overflow) then PSW.SAV = 1 else PSW.SAV = PSW.SAV;
31
c
28 27
d
24 23
3C
H
18 17
n
16 15
b
12 11
a
8 7
83
H
0
31
c
28 27
d
24 23
3F
H
18 17
n
16 15
b
12 11
a
8 7
83
H
0