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m68k.c (m68k_attribute_table): Add "interrupt". 

* config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
	(m68k_get_function_kind): Return m68k_fk_interrupt_handler on
	"interrupt".
	* doc/extend.texi (interrupt): Mention m68k.

From-SVN: r125290
This commit is contained in:
Kazu Hirata 2007-06-03 00:43:21 +00:00 committed by Kazu Hirata
parent 097dbf654d
commit 2bccb817ce
3 changed files with 22 additions and 8 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-06-03 Kazu Hirata <kazu@codesourcery.com>
* config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
(m68k_get_function_kind): Return m68k_fk_interrupt_handler on
"interrupt".
* doc/extend.texi (interrupt): Mention m68k.
2007-06-02 Uros Bizjak <ubizjak@gmail.com> 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call

12
gcc/config/m68k/m68k.c
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@ -222,6 +222,7 @@ int m68k_last_compare_had_fp_operands;
static const struct attribute_spec m68k_attribute_table[] = static const struct attribute_spec m68k_attribute_table[] =
{ {
/* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */
{ "interrupt", 0, 0, true, false, false, m68k_handle_fndecl_attribute },
{ "interrupt_handler", 0, 0, true, false, false, m68k_handle_fndecl_attribute }, { "interrupt_handler", 0, 0, true, false, false, m68k_handle_fndecl_attribute },
{ "interrupt_thread", 0, 0, true, false, false, m68k_handle_fndecl_attribute }, { "interrupt_thread", 0, 0, true, false, false, m68k_handle_fndecl_attribute },
{ NULL, 0, 0, false, false, false, NULL } { NULL, 0, 0, false, false, false, NULL }
@ -634,9 +635,10 @@ m68k_cpp_cpu_family (const char *prefix)
return concat ("__m", prefix, "_family_", m68k_cpu_entry->family, NULL); return concat ("__m", prefix, "_family_", m68k_cpu_entry->family, NULL);
} }
/* Return m68k_fk_interrupt_handler if FUNC has an "interrupt_handler" /* Return m68k_fk_interrupt_handler if FUNC has an "interrupt" or
attribute and interrupt_thread if FUNC has an "interrupt_thread" "interrupt_handler" attribute and interrupt_thread if FUNC has an
attribute. Otherwise, return m68k_fk_normal_function. */ "interrupt_thread" attribute. Otherwise, return
m68k_fk_normal_function. */
enum m68k_function_kind enum m68k_function_kind
m68k_get_function_kind (tree func) m68k_get_function_kind (tree func)
@ -646,6 +648,10 @@ m68k_get_function_kind (tree func)
if (TREE_CODE (func) != FUNCTION_DECL) if (TREE_CODE (func) != FUNCTION_DECL)
return false; return false;
a = lookup_attribute ("interrupt", DECL_ATTRIBUTES (func));
if (a != NULL_TREE)
return m68k_fk_interrupt_handler;
a = lookup_attribute ("interrupt_handler", DECL_ATTRIBUTES (func)); a = lookup_attribute ("interrupt_handler", DECL_ATTRIBUTES (func));
if (a != NULL_TREE) if (a != NULL_TREE)
return m68k_fk_interrupt_handler; return m68k_fk_interrupt_handler;

11
gcc/doc/extend.texi
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@ -2043,12 +2043,13 @@ This attribute is ignored for R8C target.
@item interrupt @item interrupt
@cindex interrupt handler functions @cindex interrupt handler functions
Use this attribute on the ARM, AVR, C4x, CRX, M32C, M32R/D, MS1, and Xstormy16 Use this attribute on the ARM, AVR, C4x, CRX, M32C, M32R/D, m68k, MS1,
ports to indicate that the specified function is an interrupt handler. and Xstormy16 ports to indicate that the specified function is an
The compiler will generate function entry and exit sequences suitable interrupt handler. The compiler will generate function entry and exit
for use in an interrupt handler when this attribute is present. sequences suitable for use in an interrupt handler when this attribute
is present.
Note, interrupt handlers for the Blackfin, m68k, H8/300, H8/300H, H8S, and Note, interrupt handlers for the Blackfin, H8/300, H8/300H, H8S, and
SH processors can be specified via the @code{interrupt_handler} attribute. SH processors can be specified via the @code{interrupt_handler} attribute.
Note, on the AVR, interrupts will be enabled inside the function. Note, on the AVR, interrupts will be enabled inside the function.