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[OpenGOAL] make multiplication/divsion like GOAL and support in decompiler (#483)

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* support in compiler

* multiplication in the decompiler

* update divisions
This commit is contained in:
water111
2021-05-14 18:43:12 -04:00
committed by GitHub
parent b3eb05e37f
commit d9f9d36f37
31 changed files with 441 additions and 326 deletions
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test/decompiler/test_FormExpressionBuild.cpp
+7 -7
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@@ -422,7 +422,7 @@ TEST_F(FormRegressionTest, ExprSizeOfType) {
" daddiu sp, sp, 16";
std::string type = "(function type uint)";
std::string expected = "(logand (l.d L346) (+ (shl (-> arg0 allocated-length) 2) 43))";
std::string expected = "(logand (l.d L346) (+ (* (-> arg0 allocated-length) 4) 43))";
test_with_expr(func, type, expected, false, "");
}
@@ -2610,9 +2610,9 @@ TEST_F(FormRegressionTest, QMemCpy) {
std::string type = "(function pointer pointer int pointer)";
std::string expected =
"(let ((v0-0 arg0))\n"
" (let* ((v1-1 (sar (+ arg2 15) 4))\n"
" (a0-1 (&+ arg0 (shl v1-1 4)))\n"
" (a1-1 (&+ arg1 (shl v1-1 4)))\n"
" (let* ((v1-1 (/ (+ arg2 15) 16))\n"
" (a0-1 (&+ arg0 (* v1-1 16)))\n"
" (a1-1 (&+ arg1 (* v1-1 16)))\n"
" )\n"
" (while (nonzero? v1-1)\n"
" (+! v1-1 -1)\n"
@@ -2911,8 +2911,8 @@ TEST_F(FormRegressionTest, AshPropagation) {
std::string expected =
"(begin\n"
" (set!\n"
" (-> arg0 bytes (sar arg1 3))\n"
" (logior (-> arg0 bytes (sar arg1 3)) (the-as uint (ash 1 (logand arg1 7))))\n"
" (-> arg0 bytes (/ arg1 8))\n"
" (logior (-> arg0 bytes (/ arg1 8)) (the-as uint (ash 1 (logand arg1 7))))\n"
" )\n"
" 0\n"
" )";
@@ -2947,7 +2947,7 @@ TEST_F(FormRegressionTest, AshPropagation2) {
" daddu sp, sp, r0";
std::string type = "(function bit-array int symbol)";
std::string expected =
"(let ((v1-2 (-> arg0 bytes (sar arg1 3))))\n"
"(let ((v1-2 (-> arg0 bytes (/ arg1 8))))\n"
" (nonzero? (logand v1-2 (the-as uint (ash 1 (logand arg1 7)))))\n"
" )";
test_with_expr(func, type, expected);