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authorCliff Click <cliffc@acm.org>2026-08-10 11:11:18 -0700
committerCliff Click <cliffc@acm.org>2026-10-08 16:52:27 -0700
commitd32f97238c903765dec4e9a9f3cbfa5fd12cded6 (patch)
treea5ac731801ef7066bab6359c4e85c2bdd20082a6 /src/main/java/com/seaofnodes/simple/node/CallEndMach.java
parentb5ebb2032aa04cf4506d533127d373d4cf5a25c6 (diff)
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Chapter 25: Modules, Separate Compilation, and SSA Constructionlinear
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: Symious <14933944+symious@users.noreply.github.com> Co-authored-by: Jun Kawasaki <jun784@gmail.com> Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Diffstat (limited to 'src/main/java/com/seaofnodes/simple/node/CallEndMach.java')
-rw-r--r--src/main/java/com/seaofnodes/simple/node/CallEndMach.java6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/main/java/com/seaofnodes/simple/node/CallEndMach.java b/src/main/java/com/seaofnodes/simple/node/CallEndMach.java
index d26ea33b..05707132 100644
--- a/src/main/java/com/seaofnodes/simple/node/CallEndMach.java
+++ b/src/main/java/com/seaofnodes/simple/node/CallEndMach.java
@@ -14,13 +14,15 @@ public class CallEndMach extends CallEndNode implements MachNode {
_retMask = code._mach.retMask(call().tfp());
// Kill mask is all caller-saves, and any mirror stack slots for args
// in registers.
- RegMaskRW kills = code._callerSave.copy();
+ RegMaskRW kills = (call().external() ? code._cCallerSave : code._callerSave).copy();
// Start of stack slots
int maxReg = code._mach.regs().length;
// Incoming function arg slots, all low numbered in the RA
int fslot = fun()._maxArgSlot;
// Killed slots for this calls outgoing args
- int xslot = code._mach.maxArgSlot(call().tfp());
+ int xslot = call().external()
+ ? code._mach.maxArgSlot(call().tfp(),code._cCallingConv)
+ : code._mach.maxArgSlot(call().tfp());
_xslot = (maxReg+fslot)+xslot;
for( int i=0; i<xslot; i++ )
kills.set((maxReg+fslot)+i);