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sparc.md (movdf): Avoid calling validize_mem during or after reload.

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* config/sparc/sparc.md (movdf): Avoid calling validize_mem during
	or after reload.

	* gcc.c-torture/compile/20011109-1.c: New test.

From-SVN: r46880
This commit is contained in:
Jakub Jelinek 2001-11-09 15:30:33 +01:00 • committed by Jakub Jelinek
parent 7ade1c9cd7
commit a3d87e92eb
4 changed files with 65 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-11-09 Jakub Jelinek <jakub@redhat.com>
* config/sparc/sparc.md (movdf): Avoid calling validize_mem during
or after reload.
2001-11-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> 2001-11-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
* doc/install.texi2html: Use $MAKEINFO --no-split. * doc/install.texi2html: Use $MAKEINFO --no-split.

5
gcc/config/sparc/sparc.md
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@ -3134,6 +3134,11 @@
&& fp_zero_operand (operands[1], DFmode)) && fp_zero_operand (operands[1], DFmode))
goto movdf_is_ok; goto movdf_is_ok;
/* We are able to build any DF constant in integer registers. */
if (REGNO (operands[0]) < 32
&& (reload_completed || reload_in_progress))
goto movdf_is_ok;
operands[1] = validize_mem (force_const_mem (GET_MODE (operands[0]), operands[1] = validize_mem (force_const_mem (GET_MODE (operands[0]),
operands[1])); operands[1]));
} }

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2001-11-09 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/compile/20011109-1.c: New test.
2001-11-08 Geoffrey Keating <geoffk@redhat.com> 2001-11-08 Geoffrey Keating <geoffk@redhat.com>
* g++.old-deja/g++.bugs/900227_01.C: Change stormy16 to xstormy16. * g++.old-deja/g++.bugs/900227_01.C: Change stormy16 to xstormy16.

51
gcc/testsuite/gcc.c-torture/compile/20011109-1.c Normal file
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@ -0,0 +1,51 @@
typedef struct { short x[4]; } S;
typedef struct { unsigned int a, b, c; S *d; } T;
S *(*foo) (T *, int, int, int, int);
unsigned short *(*bar)(const T *);
unsigned short baz(T *,const int);
T *die (void)
{
typedef struct { unsigned int a, b, e; double f, g; } U;
char h[8], i[2053], j[2053];
double k, l, m;
U n;
T *o;
unsigned short p;
int q, r;
long s;
unsigned short *t;
S *u;
unsigned char *v, *w;
unsigned int x;
o = 0;
for (x = 0; x < n.e; x++)
{
l = 1.0;
if (n.g - n.f <= 1.0)
l = ((1 << o->c) - 1) / (n.g - n.f);
v = w;
for (r = o->b - 1; r >= 0; r--)
{
u = foo (o, 0, r, o->a, 1);
if (!u)
break;
t = bar (o);
for (q = 0; q < (int) o->a; q++)
{
h[0] = *v;
s = *v++;
k = (double) s;
m = l*k;
p = m < 0 ? 0 : m > (1 << o->c) - 1 ? (1 << o->c) - 1 : m + 0.5;
p = baz (o,p);
t[q] = p;
*u++ = o->d[p];
}
}
}
return o;
}