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Use vluint32_t where possible, aid bug204

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This commit is contained in:
Wilson Snyder
2010-01-15 20:27:01 -05:00
parent 919fdd70b8
commit f60f8396bb
4 changed files with 45 additions and 6 deletions
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include/verilated.cpp
+3 -3
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@@ -179,8 +179,8 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, boo
}
// +1 word as we may shift during normalization
uint32_t un[VL_MULS_MAX_WORDS+1]; // Fixed size, as MSVC++ doesn't allow [words] here
uint32_t vn[VL_MULS_MAX_WORDS+1]; // v normalized
vluint32_t un[VL_MULS_MAX_WORDS+1]; // Fixed size, as MSVC++ doesn't allow [words] here
vluint32_t vn[VL_MULS_MAX_WORDS+1]; // v normalized
// Zero for ease of debugging and to save having to zero for shifts
for (int i=0; i<words; i++) { un[i]=vn[i]=0; }
@@ -188,7 +188,7 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, boo
// Algorithm requires divisor MSB to be set
// Copy and shift to normalize divisor so MSB of vn[vw-1] is set
int s = 31-VL_BITBIT_I(vmsbp1-1); // shift amount (0...31)
uint32_t shift_mask = s ? 0xffffffff : 0; // otherwise >> 32 won't mask the value
vluint32_t shift_mask = s ? 0xffffffff : 0; // otherwise >> 32 won't mask the value
for (int i = vw-1; i>0; i--) {
vn[i] = (rwp[i] << s) | (shift_mask & (rwp[i-1] >> (32-s)));
}