public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
From: Richard Sandiford <richard.sandiford@arm.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH 1/5] Allow *_HARD_REG_SET arguments to be const
Date: Thu, 18 Sep 2014 10:09:00 -0000	[thread overview]
Message-ID: <87lhphnsu4.fsf@e105548-lin.cambridge.arm.com> (raw)
In-Reply-To: <87ppetnsxd.fsf@e105548-lin.cambridge.arm.com> (Richard	Sandiford's message of "Thu, 18 Sep 2014 11:07:10 +0100")

Patch 4 needs to pass a const HARD_REG_SET to AND/COPY_HARD_REG_SET.
This patch allows that for all intent-in arguments.


gcc/
	* hard-reg-set.h (COPY_HARD_REG_SET, COMPL_HARD_REG_SET)
	(AND_HARD_REG_SET, AND_COMPL_HARD_REG_SET, IOR_HARD_REG_SET)
	(IOR_COMPL_HARD_REG_SET): Allow the "from" set to be constant.


Index: gcc/hard-reg-set.h
===================================================================
--- gcc/hard-reg-set.h	2014-09-15 10:00:12.133398136 +0100
+++ gcc/hard-reg-set.h	2014-09-15 10:00:12.129398185 +0100
@@ -168,32 +168,38 @@ do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);
      scan_tp_[1] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = scan_fp_[0];					\
      scan_tp_[1] = scan_fp_[1]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = ~ scan_fp_[0];				\
      scan_tp_[1] = ~ scan_fp_[1]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= scan_fp_[0];				\
      scan_tp_[1] &= scan_fp_[1]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= ~ scan_fp_[0];				\
      scan_tp_[1] &= ~ scan_fp_[1]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= scan_fp_[0];				\
      scan_tp_[1] |= scan_fp_[1]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= ~ scan_fp_[0];				\
      scan_tp_[1] |= ~ scan_fp_[1]; } while (0)
 
@@ -236,37 +242,43 @@ do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);
      scan_tp_[2] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = scan_fp_[0];					\
      scan_tp_[1] = scan_fp_[1];					\
      scan_tp_[2] = scan_fp_[2]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = ~ scan_fp_[0];				\
      scan_tp_[1] = ~ scan_fp_[1];				\
      scan_tp_[2] = ~ scan_fp_[2]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= scan_fp_[0];				\
      scan_tp_[1] &= scan_fp_[1];				\
      scan_tp_[2] &= scan_fp_[2]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= ~ scan_fp_[0];				\
      scan_tp_[1] &= ~ scan_fp_[1];				\
      scan_tp_[2] &= ~ scan_fp_[2]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= scan_fp_[0];				\
      scan_tp_[1] |= scan_fp_[1];				\
      scan_tp_[2] |= scan_fp_[2]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= ~ scan_fp_[0];				\
      scan_tp_[1] |= ~ scan_fp_[1];				\
      scan_tp_[2] |= ~ scan_fp_[2]; } while (0)
@@ -316,42 +328,48 @@ do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);
      scan_tp_[3] = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM);	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = scan_fp_[0];					\
      scan_tp_[1] = scan_fp_[1];					\
      scan_tp_[2] = scan_fp_[2];					\
      scan_tp_[3] = scan_fp_[3]; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] = ~ scan_fp_[0];				\
      scan_tp_[1] = ~ scan_fp_[1];				\
      scan_tp_[2] = ~ scan_fp_[2];				\
      scan_tp_[3] = ~ scan_fp_[3]; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= scan_fp_[0];				\
      scan_tp_[1] &= scan_fp_[1];				\
      scan_tp_[2] &= scan_fp_[2];				\
      scan_tp_[3] &= scan_fp_[3]; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] &= ~ scan_fp_[0];				\
      scan_tp_[1] &= ~ scan_fp_[1];				\
      scan_tp_[2] &= ~ scan_fp_[2];				\
      scan_tp_[3] &= ~ scan_fp_[3]; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= scan_fp_[0];				\
      scan_tp_[1] |= scan_fp_[1];				\
      scan_tp_[2] |= scan_fp_[2];				\
      scan_tp_[3] |= scan_fp_[3]; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      scan_tp_[0] |= ~ scan_fp_[0];				\
      scan_tp_[1] |= ~ scan_fp_[1];				\
      scan_tp_[2] |= ~ scan_fp_[2];				\
@@ -402,37 +420,43 @@ do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);
        *scan_tp_++ = -1; } while (0)
 
 #define COPY_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ = *scan_fp_++; } while (0)
 
 #define COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ = ~ *scan_fp_++; } while (0)
 
 #define AND_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ &= *scan_fp_++; } while (0)
 
 #define AND_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ &= ~ *scan_fp_++; } while (0)
 
 #define IOR_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ |= *scan_fp_++; } while (0)
 
 #define IOR_COMPL_HARD_REG_SET(TO, FROM)  \
-do { HARD_REG_ELT_TYPE *scan_tp_ = (TO), *scan_fp_ = (FROM); 	\
+do { HARD_REG_ELT_TYPE *scan_tp_ = (TO);			\
+     const HARD_REG_ELT_TYPE *scan_fp_ = (FROM);		\
      int i;							\
      for (i = 0; i < HARD_REG_SET_LONGS; i++)			\
        *scan_tp_++ |= ~ *scan_fp_++; } while (0)

  reply	other threads:[~2014-09-18 10:09 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-18 10:07 [PATCH 0/5] Fix handling of word subregs of wide registers Richard Sandiford
2014-09-18 10:09 ` Richard Sandiford [this message]
2014-09-19  6:14   ` [PATCH 1/5] Allow *_HARD_REG_SET arguments to be const Jeff Law
2014-09-18 10:10 ` [PATCH 2/5] Tweak subreg_get_info documentation Richard Sandiford
2014-09-19  6:16   ` Jeff Law
2014-09-18 10:13 ` [PATCH 3/5] Use simplify_subreg_regno in combine.c:subst Richard Sandiford
2014-09-19  6:17   ` Jeff Law
2014-09-18 10:25 ` [PATCH 4/5] Generalise invalid_mode_change_p Richard Sandiford
2014-09-19 17:53   ` Jeff Law
2014-09-22  7:34     ` Richard Sandiford
2014-09-22 16:29       ` Jeff Law
2014-09-18 10:26 ` [PATCH 5/5] Remove CANNOT_CHANGE_MODE_CLASS workaround in i386.c Richard Sandiford
2014-09-19 17:54   ` Jeff Law
2014-09-19  6:14 ` [PATCH 0/5] Fix handling of word subregs of wide registers Jeff Law
2014-09-19  7:24   ` Richard Sandiford
2014-09-19 15:59     ` Jeff Law
2014-09-19 17:14     ` Jeff Law
2014-09-22  7:23       ` Richard Sandiford
2014-09-22 10:49         ` Ajit Kumar Agarwal
2014-09-22 11:26           ` Richard Sandiford
2014-09-22 12:07             ` Ajit Kumar Agarwal
2014-09-22  9:00 ` Andrew Pinski
2014-09-22 11:29   ` Richard Sandiford

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87lhphnsu4.fsf@e105548-lin.cambridge.arm.com \
    --to=richard.sandiford@arm.com \
    --cc=gcc-patches@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).