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[Decomp] Fix bitfields in dma-bucket (#367)

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* fix bitfields in dma-bucket

* fix dma-bucket
This commit is contained in:
water111
2021-04-18 12:08:08 -04:00
committed by GitHub
parent 9867155e7c
commit 7737817ac7
16 changed files with 319 additions and 127 deletions
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test/decompiler/test_FormExpressionBuild2.cpp
+27
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@@ -997,3 +997,30 @@ TEST_F(FormRegressionTest, DmaBufferAddVuFunction) {
" )";
test_with_expr(func, type, expected, false, "", {}, "[[[9, 33], \"t2\", \"dma-packet\"]]");
}
TEST_F(FormRegressionTest, DmaBucketInsertTag) {
std::string func =
"sll r0, r0, 0\n"
" dsll v1, a1, 4\n"
" daddu v1, a0, v1\n"
" lwu a0, 8(v1)\n"
" sw a2, 4(a0)\n"
" sw a3, 8(v1)\n"
" or v0, a2, r0\n"
" jr ra\n"
" daddu sp, sp, r0";
std::string type = "(function dma-bucket int pointer (pointer dma-tag) pointer)";
std::string expected =
"(begin\n"
" (let ((v1-1 (the-as dma-bucket (+ (the-as uint arg0) (the-as uint (shl arg1 4))))))\n"
" (set! (-> (the-as dma-bucket (-> v1-1 last)) next) (the-as uint arg2))\n"
" (set! (-> v1-1 last) arg3)\n"
" )\n"
" arg2\n"
" )";
test_with_expr(func, type, expected, false, "", {},
"[\n"
" [[2, 6], \"v1\", \"dma-bucket\"],\n"
" [3, \"a0\", \"dma-bucket\"]\n"
" ]");
}