i386.c (ix86_function_sseregparm): Fix comment: number of arguments passed to…

i386.c (ix86_function_sseregparm): Fix comment: number of arguments passed to local functions in SSE registers is 3.

	* config/i386/i386.c (ix86_function_sseregparm): Fix comment:
	number of arguments passed to local functions in SSE registers is 3.

	* doc/invoke.texi (Function Attributes) [sseregparm]: Correct
	number of arguments passed in SSE registers to 3.

From-SVN: r118883

gcc/ChangeLog

+2006-11-16  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.c (ix86_function_sseregparm): Fix comment:
+	number of arguments passed to local functions in SSE registers is 3.
+
+	* doc/invoke.texi (Function Attributes) [sseregparm]: Correct
+	number of arguments passed in SSE registers to 3.
+
 2006-11-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
 
 	PR target/29201
@@ -34,8 +42,8 @@
 
 	* config/i386/i386.opt: New target option -mx87regparm.
 
-	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
-	float_in_x87: Add new variables. mmx_words, sse_words: Remove.
+	* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
+	and float_in_x87 variables. mmx_words, sse_words: Remove.
 	(X87_REGPARM_MAX): Define.
 
 	* config/i386/i386.c (override_options): Error out for

gcc/config/i386/i386.c

@@ -2707,9 +2707,9 @@ ix86_function_sseregparm (tree type, tree decl)
       return 2;
     }
 
-  /* For local functions, pass SFmode (and DFmode for SSE2) arguments
-     in SSE registers even for 32-bit mode and not just 3, but up to
-     8 SSE arguments in registers.  */
+  /* For local functions, pass up to SSE_REGPARM_MAX SFmode
+     (and DFmode for SSE2) arguments in SSE registers,
+     even for 32-bit targets.  */
   if (!TARGET_64BIT && decl
       && TARGET_SSE_MATH && flag_unit_at_a_time && !profile_flag)
     {

gcc/doc/extend.texi

@@ -2232,7 +2232,7 @@ on the stack.
 @item sseregparm
 @cindex @code{sseregparm} attribute
 On the Intel 386 with SSE support, the @code{sseregparm} attribute
-causes the compiler to pass up to 8 floating point arguments in
+causes the compiler to pass up to 3 floating point arguments in
 SSE registers instead of on the stack.  Functions that take a
 variable number of arguments will continue to pass all of their
 floating point arguments on the stack.