From 8c46fd8f4a0cac009272480a30b19dea7c2cdef6 Mon Sep 17 00:00:00 2001
From: CSRG <csrg@ucbvax.Berkeley.EDU>
Date: Mon, 18 Jan 1988 22:14:09 -0800
Subject: [PATCH] BSD 4_3_Reno development Work on file
 usr/src/libexec/pcc/ccom.tahoe/mac2defs.h

Synthesized-from: CSRG/cd2/4.3reno
---
 usr/src/libexec/pcc/ccom.tahoe/mac2defs.h | 73 +++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 usr/src/libexec/pcc/ccom.tahoe/mac2defs.h

diff --git a/usr/src/libexec/pcc/ccom.tahoe/mac2defs.h b/usr/src/libexec/pcc/ccom.tahoe/mac2defs.h
new file mode 100644
index 0000000000..a337bdd659
--- /dev/null
+++ b/usr/src/libexec/pcc/ccom.tahoe/mac2defs.h
@@ -0,0 +1,73 @@
+/*	mac2defs.h	1.4	88/01/19	*/
+
+/*
+ * Tahoe Registers
+ */
+
+/*
+ * Scratch registers
+ */
+#define R0	0
+#define R1	1
+#define R2	2
+#define R3	3
+#define R4	4
+#define R5	5
+
+/*
+ * Register variables
+ */
+#define R6	6
+#define R7	7
+#define R8	8
+#define R9	9
+#define R10	10
+#define R11	11
+#define R12	12
+
+/*
+ * Special purpose registers
+ */
+#define FP	13		/* frame pointer */
+#define SP	14		/* stack pointer */
+#define PC	15		/* program counter */
+
+/*
+ * Floating registers
+ */
+#define	ACC	16		/* accumulator */
+
+#define	TMPREG	FP		/* reg off which temporaries are referenced */
+#define	REGSZ	16		/* size of register set */
+
+#define R2REGS	1		/* permit double indexing */
+
+extern	int fregs;
+extern	int maxargs;
+
+#define BYTEOFF(x)	((x)&03)
+#define wdal(k)		(BYTEOFF(k)==0)		/* word align */
+#define BITOOR(x)	((x)>>3)		/* bit offset to oreg offset */
+
+/*
+ * Some macros used in store():
+ *	just evaluate the arguments, and be done with it...
+ */
+#define STOARG(p)
+#define STOFARG(p)
+#define STOSTARG(p)
+
+/*
+ * Some short routines that get called an awful lot are actually macros.
+ */
+#define	szty(t)	((t) == DOUBLE ? 2 : 1)
+#define	shltype(o, p) \
+	((o) == REG || (o) == NAME || (o) == ICON || \
+	 (o) == OREG || ((o) == UNARY MUL && shumul((p)->in.left)))
+#define	ncopy(q, p)	((q)->in = (p)->in)
+
+#define MYREADER(p)	myreader(p)
+int	optim2();
+#define	SIREG		(SPECIAL|7)	/* indexed OREG */
+int	special();			/* additional special shapes */
+#define callchk(p)	if ((p)->in.op != FORTCALL) allchk()
-- 
2.20.1