From: H.J. Lu <hjl.tools@gmail.com>
Date: Tue, 6 Feb 2024 18:57:24 +0000 (-0800)
Subject: x86-64: Return 10_REG if there is no scratch register
X-Git-Tag: basepoints/gcc-15~1308
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f2a060820c24724bb48ee006d257c449e4d94b72;p=thirdparty%2Fgcc.git

x86-64: Return 10_REG if there is no scratch register

If we can't find a scratch register for large model profiling, return
R10_REG.

	PR target/113689
	* config/i386/i386.cc (x86_64_select_profile_regnum): Return
	R10_REG after sorry.
---

diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
index f02c6c02ac62..10bd5347dcff 100644
--- a/gcc/config/i386/i386.cc
+++ b/gcc/config/i386/i386.cc
@@ -22788,7 +22788,7 @@ x86_64_select_profile_regnum (bool r11_ok ATTRIBUTE_UNUSED)
   sorry ("no register available for profiling %<-mcmodel=large%s%>",
 	 ix86_cmodel == CM_LARGE_PIC ? " -fPIC" : "");
 
-  return INVALID_REGNUM;
+  return R10_REG;
 }
 
 /* Output assembler code to FILE to increment profiler label # LABELNO