https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88739
rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rsandifo at gcc dot gnu.org
--- Comment #35 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org>
---
Yeah, the expr.c patch makes the original testcase work, but we still fail for:
#include<stdio.h>
typedef unsigned int U32;
typedef unsigned short U16;
typedef unsigned char U8;
typedef struct MEM_HEAD_4DW
{
/* first word */
U32 b11 : 1;
U32 b12 : 3;
U32 b13 : 3;
U32 b14 : 1;
U32 b15 : 16;
U32 b16 : 8;
/* second word */
U32 b21 : 16;
U32 b22 : 1;
U32 b23 : 4;
U32 b24 : 11;
/* third word */
U32 b31 : 32;
/* fourth word */
U32 b30AddrL : 30;
U32 b2AddrType : 2;
}MEM_REQ_HEAD_4DW;
typedef union HEAD_DW4_UNION
{
MEM_REQ_HEAD_4DW strMemHead;
U32 aulValue[4];
U16 ausValue[8];
U8 aucValue[16];
}HEAD_REQ_DW4_UNION;
U32 Test_func(U32 ulAddr)
{
HEAD_REQ_DW4_UNION unData;
unData.strMemHead.b30AddrL = ulAddr >> 2;
unData.strMemHead.b2AddrType = 0;
printf("unData.ausValue[6]=0x%x\r\n",unData.ausValue[6]); // why get
0x0 instead of 0x1 ?
return 0;
}
int main()
{
Test_func(0x10224);
return 0;
}
Like Wilco says, the torture test seems to pass with an unpatched compiler (but
seems like a good thing to have anyway).
