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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [mips/] [branch-helper.h] - Rev 327
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/* DN(X) generates 2**N copies of asm instruction X. */ #define D0(X) X #define D1(X) X "\n\t" X #define D2(X) D1 (D1 (X)) #define D3(X) D2 (D1 (X)) #define D4(X) D2 (D2 (X)) #define D5(X) D4 (D1 (X)) #define D6(X) D4 (D2 (X)) #define D7(X) D4 (D2 (D1 (X))) #define D8(X) D4 (D4 (X)) #define D9(X) D8 (D1 (X)) #define D10(X) D8 (D2 (X)) #define D11(X) D8 (D2 (D1 (X))) #define D12(X) D8 (D4 (X)) #define D13(X) D8 (D4 (D1 (X))) #define D14(X) D8 (D4 (D2 (X))) /* Emit something that is 0x1fff8 bytes long, which is the largest permissible range for non-MIPS16 forward branches. */ #define OCCUPY_0x1fff8 \ asm (D14 ("nop") "\n\t" \ D13 ("nop") "\n\t" \ D12 ("nop") "\n\t" \ D11 ("nop") "\n\t" \ D10 ("nop") "\n\t" \ D9 ("nop") "\n\t" \ D8 ("nop") "\n\t" \ D7 ("nop") "\n\t" \ D6 ("nop") "\n\t" \ D5 ("nop") "\n\t" \ D4 ("nop") "\n\t" \ D3 ("nop") "\n\t" \ D2 ("nop") "\n\t" \ D1 ("nop")) /* Likewise emit something that is 0x1fffc bytes long. */ #define OCCUPY_0x1fffc do { asm ("nop"); OCCUPY_0x1fff8; } while (0)
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