diff options
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/mcore/interp.c | 8 | ||||
| -rw-r--r-- | sim/testsuite/mcore/sextb.s | 25 | ||||
| -rw-r--r-- | sim/testsuite/mcore/sexth.s | 27 |
3 files changed, 56 insertions, 4 deletions
diff --git a/sim/mcore/interp.c b/sim/mcore/interp.c index 53cfdad..48d9ff8 100644 --- a/sim/mcore/interp.c +++ b/sim/mcore/interp.c @@ -641,8 +641,8 @@ step_once (SIM_DESC sd, SIM_CPU *cpu) { long tmp; tmp = gr[RD]; - tmp <<= 24; - tmp >>= 24; + tmp <<= (sizeof (tmp) * 8) - 8; + tmp >>= (sizeof (tmp) * 8) - 8; gr[RD] = tmp; } break; @@ -653,8 +653,8 @@ step_once (SIM_DESC sd, SIM_CPU *cpu) { long tmp; tmp = gr[RD]; - tmp <<= 16; - tmp >>= 16; + tmp <<= (sizeof (tmp) * 8) - 16; + tmp >>= (sizeof (tmp) * 8) - 16; gr[RD] = tmp; } break; diff --git a/sim/testsuite/mcore/sextb.s b/sim/testsuite/mcore/sextb.s new file mode 100644 index 0000000..5500f7a --- /dev/null +++ b/sim/testsuite/mcore/sextb.s @@ -0,0 +1,25 @@ +# check that sext.b/sext.h work correctly +# mach: mcore + +.include "testutils.inc" + + start + # Construct -120 using bgeni+addi+sext + bgeni r2, 7 + addi r2,8 + sextb r2 + + # Construct -120 using movi+not + movi r7,119 + not r7 + + # Compare them, they should be equal + cmpne r2,r7 + jbt .L1 + pass +.L1: + fail + + + + diff --git a/sim/testsuite/mcore/sexth.s b/sim/testsuite/mcore/sexth.s new file mode 100644 index 0000000..97279c4 --- /dev/null +++ b/sim/testsuite/mcore/sexth.s @@ -0,0 +1,27 @@ +# check that sext.b/sext.h work correctly +# mach: mcore + +.include "testutils.inc" + + start + # Construct -32760 using bgeni+addi+sext + bgeni r2, 15 + addi r2,8 + sexth r2 + + # Construct -32760 using bmask+subi+not + bmaski r7,15 + subi r7,8 // 32759 0x7ff7 + not r7 + + + # Compare them, they should be equal + cmpne r2,r7 + jbt .L1 + pass +.L1: + fail + + + + |