| /* APPLE LOCAL file radar 4287182 */ |
| /* { dg-do compile { target "i?86-*-*" } } */ |
| /* { dg-options "-O2" } */ |
| /* { dg-final { scan-assembler-not "movb" } } */ |
| /* { dg-final { scan-assembler-not "movw" } } */ |
| /* { dg-final { scan-assembler-not "andw" } } */ |
| #define ARRAY_LENGTH 16 |
| union bitfield { |
| struct { |
| unsigned int field0 : 6; |
| unsigned int field1 : 6; |
| unsigned int field2 : 6; |
| unsigned int field3 : 6; |
| unsigned int field4 : 3; |
| unsigned int field5 : 4; |
| unsigned int field6 : 1; |
| } bitfields, bits; |
| unsigned int u32All; |
| signed int i32All; |
| float f32All; |
| }; |
| |
| typedef struct program_t { |
| union bitfield array[ARRAY_LENGTH]; |
| } program; |
| |
| void foo(program* prog, unsigned int fmt1) |
| { |
| unsigned int shift = 0; |
| unsigned int texCount = 0; |
| unsigned int i; |
| |
| for (i = 0; i < 8; i++) |
| { |
| prog->array[i].bitfields.field0 = texCount; |
| prog->array[i].bitfields.field1 = texCount + 1; |
| prog->array[i].bitfields.field2 = texCount + 2; |
| prog->array[i].bitfields.field3 = texCount + 3; |
| texCount += (fmt1 >> shift) & 0x7; |
| shift += 3; |
| } |
| } |
| /* APPLE LOCAL file radar 4287182 */ |