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authorRSDuck <RSDuck@users.noreply.github.com>2021-08-04 14:58:41 +0200
committerRSDuck <RSDuck@users.noreply.github.com>2021-08-04 14:58:41 +0200
commitb28a9e4d24b42a59de5e333c99aec6dcc30435f0 (patch)
tree8aa7dbb06518e6520ceb001174d62779019d01dc /src/ARMJIT.cpp
parentf900792dc07620b05c9538cec8ff1ac66ea69dd7 (diff)
JIT: don't lengthen blocks on a skipped SVC
SVC would need special handling because of the bank switching
Diffstat (limited to 'src/ARMJIT.cpp')
-rw-r--r--src/ARMJIT.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/ARMJIT.cpp b/src/ARMJIT.cpp
index 3ffb31d..fd57399 100644
--- a/src/ARMJIT.cpp
+++ b/src/ARMJIT.cpp
@@ -779,7 +779,8 @@ void CompileBlock(ARM* cpu)
JIT_DEBUGPRINT("merged BL\n");
}
- if (instrs[i].Info.Branches() && Config::JIT_BranchOptimisations)
+ if (instrs[i].Info.Branches() && Config::JIT_BranchOptimisations
+ && instrs[i].Info.Kind != (thumb ? ARMInstrInfo::tk_SVC : ARMInstrInfo::ak_SVC))
{
bool hasBranched = cpu->R[15] != r15;
@@ -845,6 +846,7 @@ void CompileBlock(ARM* cpu)
if (!hasBranched && cond < 0xE && i + 1 < Config::JIT_MaxBlockSize)
{
+ JIT_DEBUGPRINT("block lengthened by untaken branch\n");
instrs[i].Info.EndBlock = false;
instrs[i].BranchFlags |= branch_FollowCondNotTaken;
}