[turbofan] add new ia32 addressing modes

src/compiler/ia32/instruction-codes-ia32.h

Index: src/compiler/ia32/instruction-codes-ia32.h
diff --git a/src/compiler/ia32/instruction-codes-ia32.h b/src/compiler/ia32/instruction-codes-ia32.h
index 3b11000aadf0e5be7f674144f099a01e8e86f12b..268a59da0c6178676aec54dccc3edfcbac55ee4b 100644
--- a/src/compiler/ia32/instruction-codes-ia32.h
+++ b/src/compiler/ia32/instruction-codes-ia32.h
@@ -61,23 +61,31 @@ namespace compiler {
 //
 // We use the following local notation for addressing modes:
 //
-// R = register
-// O = register or stack slot
-// D = double register
-// I = immediate (handle, external, int32)
-// MR = [register]
-// MI = [immediate]
-// MRN = [register + register * N in {1, 2, 4, 8}]
-// MRI = [register + immediate]
-// MRNI = [register + register * N in {1, 2, 4, 8} + immediate]
+// M = memory operand
+// R = base register
+// N = index register * N for N in {1, 2, 4, 8}
+// I = immediate displacement (int32_t)
+
 #define TARGET_ADDRESSING_MODE_LIST(V) \
-  V(MI)   /* [K] */                    \
-  V(MR)   /* [%r0] */                  \
-  V(MRI)  /* [%r0 + K] */              \
-  V(MR1I) /* [%r0 + %r1 * 1 + K] */    \
-  V(MR2I) /* [%r0 + %r1 * 2 + K] */    \
-  V(MR4I) /* [%r0 + %r1 * 4 + K] */    \
-  V(MR8I) /* [%r0 + %r1 * 8 + K] */
+  V(MR)   /* [%r1            ] */      \
+  V(MRI)  /* [%r1         + K] */      \
+  V(MR1)  /* [%r1 + %r2*1    ] */      \
+  V(MR2)  /* [%r1 + %r2*2    ] */      \
+  V(MR4)  /* [%r1 + %r2*4    ] */      \
+  V(MR8)  /* [%r1 + %r2*8    ] */      \
+  V(MR1I) /* [%r1 + %r2*1 + K] */      \
+  V(MR2I) /* [%r1 + %r2*2 + K] */      \
+  V(MR4I) /* [%r1 + %r2*3 + K] */      \
+  V(MR8I) /* [%r1 + %r2*4 + K] */      \
+  V(M1)   /* [      %r2*1    ] */      \
+  V(M2)   /* [      %r2*2    ] */      \
+  V(M4)   /* [      %r2*4    ] */      \
+  V(M8)   /* [      %r2*8    ] */      \
+  V(M1I)  /* [      %r2*1 + K] */      \
+  V(M2I)  /* [      %r2*2 + K] */      \
+  V(M4I)  /* [      %r2*4 + K] */      \
+  V(M8I)  /* [      %r2*8 + K] */      \
+  V(MI)   /* [              K] */
 
 }  // namespace compiler
 }  // namespace internal