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--- cpu_abi [2021/10/16 17:21]
someone2639 add float register section
+++ cpu_abi [2021/10/16 17:31] (current)
someone2639 [Functions With Floating/Decimal Arguments] asm corrections
@@ Line 99: / Line 99: @@
 }
 void myFunc(void) {
-    float x = adder(1.0f, 3.0f, 4.0f);
+    float x = three_input_adder(1.0f, 3.0f, 4.0f);
 }
 </code>    | <code>
-glabel adder
+glabel three_input_adder
+    lwc1 f4, 0x10(sp)
+    add.s f0, f12, f14
+    add.s f0, f0, f4 ; return value gets stored in f0
     jr ra
-     add.s f0, f12, f14 ; return value gets stored in f0
+     nop
 glabel myFunc
     addiu sp, -0x18
@@ Line 113: / Line 116: @@
     li.s f4,  4.0
     swc1 f4, 0x10(sp) ; subsequent float arguments go on the stack
-    jal adder
+    jal three_input_adder
-    nop
+     nop
     mfc1 t0, f0 ; f0 has the result
@@ Line 120: / Line 123: @@
     lw ra, 0x14(sp)
     jr ra
-     nop
+     addiu sp, 0x18
 </code>     |