gnh1201/wasm-micro-runtime
1
0
Fork 0
mirror of https://github.com/bytecodealliance/wasm-micro-runtime.git synced 2025-07-15 08:48:33 +00:00
Code Issues Actions 9 Packages Projects Releases Wiki Activity

Fix aot rotl/rotr 0 issue

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
core/iwasm/compilation/aot_emit_numberic.c
View File

@ -690,6 +690,12 @@ compile_int_rot(AOTCompContext *comp_ctx, LLVMValueRef left, LLVMValueRef right,
LLVMValueRef bits_minus_shift_count, res, tmp_l, tmp_r;
char *name = is_rotl ? "rotl" : "rotr";
/* right is 0 */
if (LLVMIsConstant(right)
&& (uint64)LLVMConstIntGetZExtValue(right) == 0) {
return left;
}
SHIFT_COUNT_MASK;
/* Calculate (bits - shif_count) */