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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h b/gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h new file mode 100644 index 000000000..85399be4c --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/mips/branch-helper.h @@ -0,0 +1,37 @@ +/* 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) |