* i386-protos.h (ix86_zero_extend_to_Pmode): Declare.

	* i386.c (ix86_zero_extend_to_Pmode): Make global.
	* i386.md (strclrsi expander): Use it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44194 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 69fd683..656ad64 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Fri Jul 20 14:12:57 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+       * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
+       * i386.c (ix86_zero_extend_to_Pmode): Make global.
+       * i386.md (strclrsi expander): Use it.
+
 Fri Jul 20 13:24:16 CEST 2001  Jan Hubicka  <jh@suse.cz>
 
        * integrate.c (copy_insn_list): handle

diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
index e204834..5b9e979 100644 (file)
--- a/gcc/config/i386/i386-protos.h
+++ b/gcc/config/i386/i386-protos.h
@@ -119,6 +119,7 @@ extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
 extern int ix86_expand_int_movcc PARAMS ((rtx[]));
 extern int ix86_expand_fp_movcc PARAMS ((rtx[]));
 extern void x86_initialize_trampoline PARAMS ((rtx, rtx, rtx));
+extern rtx ix86_zero_extend_to_Pmode PARAMS ((rtx));
 extern void ix86_split_long_move PARAMS ((rtx[]));
 extern void ix86_split_ashldi PARAMS ((rtx *, rtx));
 extern void ix86_split_ashrdi PARAMS ((rtx *, rtx));

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index dcafe01..27512cf 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -7463,7 +7463,7 @@ ix86_adjust_counter (countreg, value)
 }
 
 /* Zero extend possibly SImode EXP to Pmode register.  */
-static rtx
+rtx
 ix86_zero_extend_to_Pmode (exp)
    rtx exp;
 {

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 56158b9..d2ff08b 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -15197,7 +15197,7 @@
   addr2 = copy_to_mode_reg (Pmode, XEXP (operands[2], 0));
   
   count = operands[3];
-  countreg = copy_to_mode_reg (Pmode, count);
+  countreg = ix86_zero_extend_to_Pmode (count);
 
   /* %%% Iff we are testing strict equality, we can use known alignment
      to good advantage.  This may be possible with combine, particularly