Signed-off-by: Guo Yejun <[email protected]>
---
backend/src/backend/gen_insn_selection_optimize.cpp | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backend/src/backend/gen_insn_selection_optimize.cpp
b/backend/src/backend/gen_insn_selection_optimize.cpp
index fffc8b0..8df531c 100644
--- a/backend/src/backend/gen_insn_selection_optimize.cpp
+++ b/backend/src/backend/gen_insn_selection_optimize.cpp
@@ -27,6 +27,10 @@ namespace gbe
uint32_t offsetInByte = base;
for (uint32_t j = 0; j < width; ++j) {
uint32_t offsetInType = offsetInByte / elementSize;
+ //it is possible that offsetInType > 32, it doesn't matter even
elements is 32 bit.
+ //the reseason is that if one instruction span several registers,
+ //the other registers' visit pattern is same as first register if the
vstride is normal(width * hstride)
+ assert(vstride == width * hstride);
elements |= (1 << offsetInType);
offsetInByte += hstride * elementSize;
}
--
1.9.1
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