From: Richard Sandiford <rsandifo@redhat.com>
Date: Wed, 5 Sep 2001 08:45:33 +0000 (+0000)
Subject: mips.c (save_restore_insns): Don't mark any register save slots as unchanging if...
X-Git-Tag: prereleases/libstdc++-3.0.95~2251
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eecd6d9c571a4979d1383691d65cd475672c0257;p=thirdparty%2Fgcc.git

mips.c (save_restore_insns): Don't mark any register save slots as unchanging if...

 	* config/mips/mips.c (save_restore_insns): Don't mark any register
	save slots as unchanging if current_function_calls_eh_return.

From-SVN: r45406
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7554869b88ff..b9f1fc3ac276 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-09-05  Richard Sandiford  <rsandifo@redhat.com>
+
+ 	* config/mips/mips.c (save_restore_insns): Don't mark any register
+	save slots as unchanging if current_function_calls_eh_return.
+
 2001-09-05  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.c (alpha_legitimate_address_p): New.
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index 28e0de814fb0..583cf7385340 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -6621,8 +6621,7 @@ save_restore_insns (store_p, large_reg, large_offset, file)
 			     gen_rtx (PLUS, Pmode, base_reg_rtx,
 				      GEN_INT (gp_offset - base_offset)));
 
-		if (regno != GP_REG_FIRST + 31
-		    || ! current_function_calls_eh_return)
+		if (! current_function_calls_eh_return)
 		  RTX_UNCHANGING_P (mem_rtx) = 1;
 
 		/* The mips16 does not have an instruction to load
@@ -6779,7 +6778,8 @@ save_restore_insns (store_p, large_reg, large_offset, file)
 				       gen_rtx (PLUS, Pmode, base_reg_rtx,
 						GEN_INT (fp_offset
 							 - base_offset)));
-		RTX_UNCHANGING_P (mem_rtx) = 1;
+		if (! current_function_calls_eh_return)
+		  RTX_UNCHANGING_P (mem_rtx) = 1;
 
 		if (store_p)
 		  mips_emit_frame_related_store (mem_rtx, reg_rtx, fp_offset);