From: Joern Rennecke <amylaar@gcc.gnu.org>
Date: Tue, 11 Feb 1997 20:53:36 +0000 (+0000)
Subject: (calc_live_regs): need not save MACL/MACH when not live, and in leaf function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cf641ce6cced9835f60dc4f353c55f545a45207b;p=gcc.git

(calc_live_regs): need not save MACL/MACH when not live, and in leaf function.

From-SVN: r13627
---

diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 0ffdeae79ca..0f3a94f7420 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -2590,10 +2590,9 @@ calc_live_regs (count_ptr, live_regs_mask2)
 	{
 	  /* Need to save all the regs ever live.  */
 	  if ((regs_ever_live[reg]
-	       || (call_used_regs[reg] && ! fixed_regs[reg]
-		   && regs_ever_live[PR_REG])
-	       || reg == MACH_REG
-	       || reg == MACL_REG)
+	       || (call_used_regs[reg]
+		   && (! fixed_regs[reg] || reg == MACH_REG || reg == MACL_REG)
+		   && regs_ever_live[PR_REG]))
 	      && reg != STACK_POINTER_REGNUM && reg != ARG_POINTER_REGNUM
 	      && reg != RETURN_ADDRESS_POINTER_REGNUM
 	      && reg != T_REG && reg != GBR_REG)