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Fix aot rotl/rotr 0 issue

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This commit is contained in:
Wenyong Huang 2022-07-11 21:33:09 +08:00
parent db210fbc66
commit a3f16871ed
1 changed files with 6 additions and 0 deletions
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6
core/iwasm/compilation/aot_emit_numberic.c
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@ -690,6 +690,12 @@ compile_int_rot(AOTCompContext *comp_ctx, LLVMValueRef left, LLVMValueRef right,
LLVMValueRef bits_minus_shift_count, res, tmp_l, tmp_r; LLVMValueRef bits_minus_shift_count, res, tmp_l, tmp_r;
char *name = is_rotl ? "rotl" : "rotr"; char *name = is_rotl ? "rotl" : "rotr";
/* right is 0 */
if (LLVMIsConstant(right)
&& (uint64)LLVMConstIntGetZExtValue(right) == 0) {
return left;
}
SHIFT_COUNT_MASK; SHIFT_COUNT_MASK;
/* Calculate (bits - shif_count) */ /* Calculate (bits - shif_count) */