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2008-02-04 Antony King <antony.king@st.com>

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* interp.c (macl): Fix non-portable implementation.
This commit is contained in:
Andrew Stubbs 2008-02-04 17:26:07 +00:00
parent c39c82565f
commit f3876f6909
2 changed files with 12 additions and 13 deletions
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4
sim/sh/ChangeLog
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@ -1,3 +1,7 @@
2008-02-04 Antony King <antony.king@st.com>
* interp.c (macl): Fix non-portable implementation.
2007-10-08 Andrew Stubbs <andrew.stubbs@st.com>
* gencode.c (tab): Add RAISE_EXCEPTION_IF_IN_DELAY_SLOT to the

21
sim/sh/interp.c
View File

@ -1429,14 +1429,9 @@ macl (regs, memory, n, m)
int m, n;
{
long tempm, tempn;
long prod, macl, mach, sum;
long long ans,ansl,ansh,t;
unsigned long long high,low,combine;
union mac64
{
long m[2]; /* mach and macl*/
long long m64; /* 64 bit MAC */
}mac64;
long macl, mach;
long long ans;
long long mac64;
tempm = RSLAT (regs[m]);
regs[m] += 4;
@ -1447,15 +1442,15 @@ macl (regs, memory, n, m)
mach = MACH;
macl = MACL;
mac64.m[0] = macl;
mac64.m[1] = mach;
mac64 = ((long long) macl & 0xffffffff) |
((long long) mach & 0xffffffff) << 32;
ans = (long long) tempm * (long long) tempn; /* Multiply 32bit * 32bit */
mac64.m64 += ans; /* Accumulate 64bit + 64 bit */
mac64 += ans; /* Accumulate 64bit + 64 bit */
macl = mac64.m[0];
mach = mac64.m[1];
macl = (long) (mac64 & 0xffffffff);
mach = (long) ((mac64 >> 32) & 0xffffffff);
if (S) /* Store only 48 bits of the result */
{