http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47744
Summary: [x32] ICE: in reload_cse_simplify_operands, at
postreload.c:403
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
On x32 branch, I got
[hjl@gnu-6 ilp32-21]$ cat m.i
typedef int int32_t;
static const int init_jk[] = {2,3,4,6};
int __kernel_rem_pio2(double *x, double *y, int e0, int nx, int prec, const
int32_t *ipio2)
{
int32_t jz,jx,jv,jp,jk,carry,n,iq[20],i,j,k,m,q0,ih;
double z,fw,f[20],fq[20],q[20];
jk = init_jk[prec];
jp = jk;
jx = nx-1;
for (i=0;i<=jk;i++) {
for(j=0,fw=0.0;j<=jx;j++) fw += x[j]*f[jx+i-j]; q[i] = fw;
}
for(i=0,j=jz,z=q[jz];j>0;i++,j--) {
z = q[j-1]+fw;
}
n = (int32_t) z;
return n&7;
}
[hjl@gnu-6 ilp32-21]$ make m.s
/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -S -o m.s -mx32 -std=gnu99
-O2 -fPIC m.i
m.i: In function \u2018__kernel_rem_pio2\u2019:
m.i:18:1: error: insn does not satisfy its constraints:
(insn 108 106 186 3 (set (reg:SI 40 r11 [207])
(plus:SI (plus:SI (mult:SI (reg:SI 1 dx [205])
(const_int 8 [0x8]))
(subreg:SI (plus:DI (reg/f:DI 7 sp)
(const_int 208 [0xd0])) 0))
(const_int -160 [0xffffffffffffff60]))) m.i:3 251 {*lea_1_x32}
(nil))
m.i:18:1: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:403
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [m.s] Error 1
[hjl@gnu-6 ilp32-21]$
