Infineon TriCore TC1.6P - Page 299

TriCore
®
TC1.6P & TC1.6E
32-bit Unified Processor Core
Instruction Set
V1.0 2013-07
User Manual (Volume 2) 3-252
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);
mul_res1 = sc1 ? 7FFFFFFF
H
: ((D[a][31:16] * D[b][31:16]) << n);
mul_res0 = sc0 ? 7FFFFFFF
H
: ((D[a][15:0] * D[b][15:0]) << n);
result_word1 = E[d][63:32] - mul_res1;
result_word0 = E[d][31:0] + mul_res0;
E[c] = {result_word1[31:0], result_word0[31:0]}; // Packed fraction
MSUBAD.HE[c], E[d], D[a], D[b] UU, n (RRR1)
32||32 -||+ (16L * 16U || 16U * 16U) --> 32||32
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);
mul_res1 = sc1 ? 7FFFFFFF
H
: ((D[a][15:0] * D[b][31:16]) << n);
mul_res0 = sc0 ? 7FFFFFFF
H
: ((D[a][31:16] * D[b][31:16]) << n);
result_word1 = E[d][63:32] - mul_res1;
result_word0 = E[d][31:0] + mul_res0;
E[c] = {result_word1[31:0], result_word0[31:0]}; // Packed fraction
MSUBADS.HE[c], E[d], D[a], D[b] LL, n (RRR1)
32||32 -||+ (16U * 16L || 16L * 16L) --> 32||32 saturated
sc1 = (D[a][31:16] == 8000
H
) AND (D[b][15:0] == 8000
H
) AND (n == 1);
sc0 = (D[a][15:0] == 8000
H
) AND (D[b][15:0] == 8000
H
) AND (n == 1);
mul_res1 = sc1 ? 7FFFFFFF
H
: ((D[a][31:16] * D[b][15:0]) << n);
mul_res0 = sc0 ? 7FFFFFFF
H
: ((D[a][15:0] * D[b][15:0]) << n);
result_word1 = E[d][63:32] - mul_res1;
result_word0 = E[d][31:0] + mul_res0;
E[c] = {ssov(result_word1, 32), ssov(result_word0, 32)}; // Packed fraction
MSUBADS.HE[c], E[d], D[a], D[b] LU, n (RRR1)
32||32 -||+ (16U * 16L || 16L * 16U) --> 32||32 saturated
sc1 = (D[a][31:16] == 8000
H
) AND (D[b][15:0] == 8000
H
) AND (n == 1);
sc0 = (D[a][15:0] == 8000
H
) AND (D[b][31:16] == 8000
H
) AND (n == 1);
31
c
28 27
d
24 23
18
H
18 17
n
16 15
b
12 11
a
8 7
E3
H
0
31
c
28 27
d
24 23
1B
H
18 17
n
16 15
b
12 11
a
8 7
E3
H
0
31
c
28 27
d
24 23
3A
H
18 17
n
16 15
b
12 11
a
8 7
E3
H
0
31
c
28 27
d
24 23
39
H
18 17
n
16 15
b
12 11
a
8 7
E3
H
0