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Diffstat (limited to 'sim/testsuite/bfin/cc-alu.S')
| -rw-r--r-- | sim/testsuite/bfin/cc-alu.S | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/sim/testsuite/bfin/cc-alu.S b/sim/testsuite/bfin/cc-alu.S new file mode 100644 index 0000000..089fbe7 --- /dev/null +++ b/sim/testsuite/bfin/cc-alu.S @@ -0,0 +1,126 @@ +# Blackfin testcase for CC/A0/A1 compares +# mach: bfin + +#include "test.h" + .include "testutils.inc" + + start + +/* Clear ASTAT before test */ +#define CHECK_ASTAT(op, exp) ASTAT = R2; CC = A0 op A1; check_astat exp + .macro check_astat exp:req + R5 = ASTAT; + R6 = \exp; + CC = R5 == R6; + IF !CC JUMP 1f; + .endm + + .macro _acc_test exp_eq:req, exp_le:req, exp_lt:req + CHECK_ASTAT(==, \exp_eq) + CHECK_ASTAT(<=, \exp_le) + CHECK_ASTAT(<, \exp_lt) + + jump 2f; +1: fail +2: + .endm + + .macro acc_test acc0:req, acc1:req, eq:req, le:req, lt:req + dmm32 A0, \acc0 + dmm32 A1, \acc1 + _acc_test \eq, \le, \lt + .endm + + .macro acc_ex_test a0x:req, a0w:req, a1x:req, a1w:req, eq:req, le:req, lt:req + imm32 R0, \a0w + A0.W = R0; + R0 = \a0x; + A0.X = R0; + imm32 R1, \a1w + A1.W = R1; + R1 = \a1x; + A1.X = R1; + _acc_test \eq, \le, \lt + .endm + + # Keep R2 with a value of 0 + imm32 R2, 0 + +#define _EQ _AC0|_CC|_AC0_COPY|_AZ, _AC0|_CC|_AC0_COPY|_AZ, _AC0| _AC0_COPY|_AZ +#define _POS_GT _AN, _CC| _AN, _CC| _AN +#define _POS_LT _AC0| _AC0_COPY , _AC0| _AC0_COPY , _AC0| _AC0_COPY +#define _NEG_GT _AC0| _AC0_COPY|_AN, _AC0|_CC|_AC0_COPY|_AN, _AC0|_CC|_AC0_COPY|_AN +#define _NEG_LT 0, 0, 0 + + # Simple tests around zero + acc_test 0, 0, _EQ + acc_test 0, 1, _POS_GT + acc_test 0, 10000, _POS_GT + acc_test 1, 0, _POS_LT + acc_test 10000, 0, _POS_LT + acc_test 0, -1, _NEG_LT + acc_test 0, -10000, _NEG_LT + acc_test -1, 0, _NEG_GT + acc_test -10000, 0, _NEG_GT + + # Simple positive-only tests + acc_test 1, 1, _EQ + acc_test 10000, 10000, _EQ + acc_test 1, 2, _POS_GT + acc_test 1, 20000, _POS_GT + acc_test 2, 1, _POS_LT + acc_test 20000, 1, _POS_LT + + # Simple negative-only tests + acc_test -1, -1, _EQ + acc_test -10000, -10000, _EQ + acc_test -1, -2, _POS_LT + acc_test -1, -20000, _POS_LT + acc_test -2, -1, _POS_GT + acc_test -20000, -1, _POS_GT + + # Simple postitive/negative tests + acc_test 1, -1, _NEG_LT + acc_test -1, 1, _NEG_GT + acc_test 1, -10000, _NEG_LT + acc_test -10000, 1, _NEG_GT + acc_test -1, 10000, _NEG_GT + acc_test 10000, -1, _NEG_LT + acc_test -10000, 10000, _NEG_GT + acc_test 10000, -10000, _NEG_LT + + # Max boundary limits +#define MAX_POS 0x7f, 0xffffffff +#define MAX_NEG 0x80, 0x00000000 + acc_ex_test 0, 0, MAX_POS, _POS_GT + acc_ex_test MAX_POS, 0, 0, _POS_LT + acc_ex_test 0, 1, MAX_POS, _POS_GT + acc_ex_test MAX_POS, 0, 1, _POS_LT + acc_ex_test -1, -1, MAX_POS, _NEG_GT + acc_ex_test MAX_POS, -1, -1, _NEG_LT + acc_ex_test MAX_POS, MAX_POS, _EQ + acc_ex_test 0, 0, MAX_POS, _POS_GT + acc_ex_test MAX_POS, 0, 0, _POS_LT + acc_ex_test 0, 1, MAX_POS, _POS_GT + acc_ex_test MAX_POS, 0, 1, _POS_LT + acc_ex_test -1, -1, MAX_POS, _NEG_GT + acc_ex_test MAX_POS, -1, -1, _NEG_LT + + acc_ex_test 0, 0, MAX_NEG, _NEG_LT + acc_ex_test MAX_NEG, 0, 0, _NEG_GT + acc_ex_test 0, 1, MAX_NEG, _NEG_LT + acc_ex_test MAX_NEG, 0, 1, _NEG_GT + acc_ex_test -1, -1, MAX_NEG, _POS_LT + acc_ex_test MAX_NEG, -1, -1, _POS_GT + acc_ex_test MAX_NEG, MAX_NEG, _EQ + acc_ex_test 0, 0, MAX_NEG, _NEG_LT + acc_ex_test MAX_NEG, 0, 0, _NEG_GT + acc_ex_test 0, 1, MAX_NEG, _NEG_LT + acc_ex_test MAX_NEG, 0, 1, _NEG_GT + acc_ex_test -1, -1, MAX_NEG, _POS_LT + acc_ex_test MAX_NEG, -1, -1, _POS_GT + + acc_ex_test MAX_POS, MAX_NEG, _NEG_LT + acc_ex_test MAX_NEG, MAX_POS, _NEG_GT + + pass |