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sysv4.h (MASK_NO_BITFIELD_WORD): New macro.

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* config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
	(TARGET_NO_BITFIELD_WORD): New macro.
	(SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
	(BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.

From-SVN: r39613
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Geoffrey Keating 2001-02-13 02:44:54 +00:00 committed by Geoffrey Keating
parent c4880c9936
commit 9a155f914c
2 changed files with 15 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2001-02-12 Geoffrey Keating <geoffk@redhat.com>
* config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
(TARGET_NO_BITFIELD_WORD): New macro.
(SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
(BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* cselib.c: New file, from simplify-rtx.c.

8
gcc/config/rs6000/sysv4.h
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@ -57,6 +57,7 @@ extern enum rs6000_sdata_type rs6000_sdata;
#define MASK_REGNAMES 0x02000000 /* Use alternate register names. */
#define MASK_PROTOTYPE 0x01000000 /* Only prototyped fcns pass variable args. */
#define MASK_LONG_DOUBLE_128 0x00800000 /* Use IEEE quad long double. */
#define MASK_NO_BITFIELD_WORD 0x00400000 /* Bitfields cannot cross word boundaries */
#define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
#define TARGET_STRICT_ALIGN (target_flags & MASK_STRICT_ALIGN)
@ -66,6 +67,7 @@ extern enum rs6000_sdata_type rs6000_sdata;
#define TARGET_REGNAMES (target_flags & MASK_REGNAMES)
#define TARGET_PROTOTYPE (target_flags & MASK_PROTOTYPE)
#define TARGET_LONG_DOUBLE_128 (target_flags & MASK_LONG_DOUBLE_128)
#define TARGET_NO_BITFIELD_WORD (target_flags & MASK_NO_BITFIELD_WORD)
#define TARGET_TOC ((target_flags & MASK_64BIT) \
|| ((target_flags & (MASK_RELOCATABLE \
| MASK_MINIMAL_TOC)) \
@ -136,6 +138,9 @@ extern int g_switch_set; /* Whether -G xx was passed. */
{ "no-traceback", 0, N_("no description yet") }, \
{ "eabi", MASK_EABI, N_("Use EABI.") }, \
{ "no-eabi", -MASK_EABI, N_("Don't use EABI.") }, \
{ "bit-word", -MASK_NO_BITFIELD_WORD, "" }, \
{ "no-bit-word", MASK_NO_BITFIELD_WORD, \
N_("Do not allow bitfields to cross word boundaries") }, \
{ "regnames", MASK_REGNAMES, \
N_("Use alternate register names.") }, \
{ "no-regnames", -MASK_REGNAMES, \
@ -380,6 +385,9 @@ do { \
#undef PCC_BITFIELD_TYPE_MATTERS
#define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
#undef BITFIELD_NBYTES_LIMITED
#define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
/* Define this macro to be the value 1 if instructions will fail to
work if given data not on the nominal alignment. If instructions
will merely go slower in that case, define this macro as 0. */