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| author | Tim Newsome <tim@sifive.com> | 2022-06-09 15:31:21 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-09 15:31:21 -0700 |
| commit | 71ee281ad5d2a09cf47234e4463379165f218a43 (patch) | |
| tree | f31f5ca244cc2239d8eea9c9679a89f0c2feb76a /isa/macros | |
| parent | c73e991add1df5767dfb7092a067df6aec88b56f (diff) | |
| download | riscv-tests-71ee281ad5d2a09cf47234e4463379165f218a43.zip riscv-tests-71ee281ad5d2a09cf47234e4463379165f218a43.tar.gz riscv-tests-71ee281ad5d2a09cf47234e4463379165f218a43.tar.bz2 | |
Test misaligned stores. (#397)
Assume that misaligned loads work correctly.
Passes `make -C isa run` against spike (both with and without misaligned
support).
Diffstat (limited to 'isa/macros')
| -rw-r--r-- | isa/macros/scalar/test_macros.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/isa/macros/scalar/test_macros.h b/isa/macros/scalar/test_macros.h index e286a44..6c901d0 100644 --- a/isa/macros/scalar/test_macros.h +++ b/isa/macros/scalar/test_macros.h @@ -226,8 +226,14 @@ test_ ## testnum: \ TEST_CASE( testnum, x14, result, \ la x1, base; \ li x2, result; \ + la x15, 7f; /* Tell the exception handler how to skip this test. */ \ store_inst x2, offset(x1); \ load_inst x14, offset(x1); \ + j 8f; \ +7: \ + /* Set up the correct result for TEST_CASE(). */ \ + mv x14, x2; \ +8: \ ) #define TEST_LD_DEST_BYPASS( testnum, nop_cycles, inst, result, offset, base ) \ @@ -717,6 +723,15 @@ test_ ## testnum: \ csrw mepc, t0; \ mret +#define MISALIGNED_STORE_HANDLER \ + li t0, CAUSE_MISALIGNED_STORE; \ + csrr t1, mcause; \ + bne t0, t1, fail; \ + \ + /* We got a misaligned exception. Skip this test. */ \ + csrw mepc, x15; \ + mret + #----------------------------------------------------------------------- # Pass and fail code (assumes test num is in TESTNUM) #----------------------------------------------------------------------- |