initialize cgstate.allregs in cod3.d (#16819)

dlang · Aug 29, 2024 · 452ebe2 · 452ebe2
1 parent 80a4a56
commit 452ebe2
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Showing 3 changed files with 7 additions and 1 deletion.
diff --git a/compiler/src/dmd/backend/code.d b/compiler/src/dmd/backend/code.d
@@ -166,6 +166,7 @@ struct CGstate
 
     int BPoff;                  // offset from BP
     int EBPtoESP;               // add to EBP offset to get ESP offset
+    reg_t BP;                   // frame pointer
     REGSAVE regsave;
 
     targ_size_t spoff;
@@ -219,6 +220,8 @@ struct CGstate
 
     int dfoidx;                 // which block we are in
     regm_t allregs;             // ALLREGS optionally including mBP
+    regm_t fpregs;              // all floating point registers
+    regm_t xmmregs;             // all XMM registers
     regm_t mfuncreg;            // mask of registers preserved by function
     regm_t msavereg;            // Mask of registers that we would like to save.
                                 // they are temporaries (set by scodelem())
@@ -227,6 +230,8 @@ struct CGstate
     con_t regcon;               // register contents
     BackendPass pass;
 
+    bool AArch64;               // true if AArch64 code generator
+
     int cmp_flag;               // pass extra flag from cdcod() to cdcmp()
     /**********************************
      * Set value in regimmed for reg.

diff --git a/compiler/src/dmd/backend/x86/cgcod.d b/compiler/src/dmd/backend/x86/cgcod.d
@@ -81,7 +81,6 @@ void codgen(Symbol *sfunc)
 
     cgreg_init();
     CSE.initialize();
-    cgstate.allregs = ALLREGS;
     cgstate.Alloca.initialize();
     cgstate.anyiasm = 0;
 

diff --git a/compiler/src/dmd/backend/x86/cod3.d b/compiler/src/dmd/backend/x86/cod3.d
@@ -348,6 +348,7 @@ void cod3_set32()
         v = W|T|6;
 
     TARGET_STACKALIGN = config.fpxmmregs ? 16 : 4;
+    cgstate.allregs = mAX|mBX|mCX|mDX|mSI|mDI;
 }
 
 /********************************
@@ -375,6 +376,7 @@ void cod3_set64()
         v = W|T|6;
 
     TARGET_STACKALIGN = config.fpxmmregs ? 16 : 8;
+    cgstate.allregs = mAX|mBX|mCX|mDX|mSI|mDI| mR8|mR9|mR10|mR11|mR12|mR13|mR14|mR15;
 }
 
 /*********************************