Module Name: src
Committed By: rillig
Date: Mon Aug 23 06:26:37 UTC 2021
Modified Files:
src/usr.bin/xlint/lint1: externs1.h lex.c lint1.h
Log Message:
lint: inline msb
This reduces the binary size on x86_64 by about 500 bytes.
No functional change.
To generate a diff of this commit:
cvs rdiff -u -r1.131 -r1.132 src/usr.bin/xlint/lint1/externs1.h
cvs rdiff -u -r1.68 -r1.69 src/usr.bin/xlint/lint1/lex.c
cvs rdiff -u -r1.123 -r1.124 src/usr.bin/xlint/lint1/lint1.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/xlint/lint1/externs1.h
diff -u src/usr.bin/xlint/lint1/externs1.h:1.131 src/usr.bin/xlint/lint1/externs1.h:1.132
--- src/usr.bin/xlint/lint1/externs1.h:1.131 Mon Aug 23 06:21:59 2021
+++ src/usr.bin/xlint/lint1/externs1.h Mon Aug 23 06:26:37 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: externs1.h,v 1.131 2021/08/23 06:21:59 rillig Exp $ */
+/* $NetBSD: externs1.h,v 1.132 2021/08/23 06:26:37 rillig Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
@@ -78,7 +78,6 @@ extern symt_t symtyp;
extern FILE *yyin;
extern void initscan(void);
-extern bool msb(int64_t, tspec_t);
extern int64_t convert_integer(int64_t, tspec_t, int);
extern void clear_warn_flags(void);
extern sym_t *getsym(sbuf_t *);
Index: src/usr.bin/xlint/lint1/lex.c
diff -u src/usr.bin/xlint/lint1/lex.c:1.68 src/usr.bin/xlint/lint1/lex.c:1.69
--- src/usr.bin/xlint/lint1/lex.c:1.68 Mon Aug 23 06:21:59 2021
+++ src/usr.bin/xlint/lint1/lex.c Mon Aug 23 06:26:37 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.68 2021/08/23 06:21:59 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.69 2021/08/23 06:26:37 rillig Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: lex.c,v 1.68 2021/08/23 06:21:59 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.69 2021/08/23 06:26:37 rillig Exp $");
#endif
#include <ctype.h>
@@ -672,13 +672,6 @@ lex_integer_constant(const char *yytext,
return T_CON;
}
-bool
-msb(int64_t q, tspec_t t)
-{
-
- return (q & bit(size_in_bits(t) - 1)) != 0;
-}
-
/*
* Extend or truncate q to match t. If t is signed, sign-extend.
*
Index: src/usr.bin/xlint/lint1/lint1.h
diff -u src/usr.bin/xlint/lint1/lint1.h:1.123 src/usr.bin/xlint/lint1/lint1.h:1.124
--- src/usr.bin/xlint/lint1/lint1.h:1.123 Sun Aug 22 21:27:15 2021
+++ src/usr.bin/xlint/lint1/lint1.h Mon Aug 23 06:26:37 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: lint1.h,v 1.123 2021/08/22 21:27:15 rillig Exp $ */
+/* $NetBSD: lint1.h,v 1.124 2021/08/23 06:26:37 rillig Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
@@ -572,6 +572,12 @@ bit(unsigned i)
return (uint64_t)1 << i;
}
+static inline bool
+msb(int64_t q, tspec_t t)
+{
+ return (q & bit(size_in_bits(t) - 1)) != 0;
+}
+
static inline uint64_t
value_bits(unsigned bitsize)
{
