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[Committed] IBM Z: TPF: Add cc clobber to profiling expanders

Message ID 20210922101646.30703-1-krebbel@linux.ibm.com
State New
Headers show
Series [Committed] IBM Z: TPF: Add cc clobber to profiling expanders | expand

Commit Message

Andreas Krebbel Sept. 22, 2021, 10:16 a.m. UTC 
The code sequence emitted uses CC internally.

gcc/ChangeLog:

	* config/s390/tpf.md (prologue_tpf, epilogue_tpf): Add cc clobber.
---
 gcc/config/s390/tpf.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/gcc/config/s390/tpf.md b/gcc/config/s390/tpf.md
index 297e9d1f755..35b37190705 100644
--- a/gcc/config/s390/tpf.md
+++ b/gcc/config/s390/tpf.md
@@ -21,7 +21,8 @@  (define_insn "prologue_tpf"
   [(unspec_volatile [(match_operand 0 "const_int_operand" "J")
 		     (match_operand 1 "const_int_operand" "J")]
 		    UNSPECV_TPF_PROLOGUE)
-   (clobber (reg:DI 1))]
+   (clobber (reg:DI 1))
+   (clobber (reg:CC CC_REGNUM))]
   "TARGET_TPF_PROFILING"
   "larl\t%%r1,.+14\;tm\t%0,255\;bnz\t%1"
   [(set_attr "length"   "14")])
@@ -31,7 +32,8 @@  (define_insn "epilogue_tpf"
   [(unspec_volatile [(match_operand 0 "const_int_operand" "J")
 		     (match_operand 1 "const_int_operand" "J")]
 		    UNSPECV_TPF_EPILOGUE)
-   (clobber (reg:DI 1))]
+   (clobber (reg:DI 1))
+   (clobber (reg:CC CC_REGNUM))]
   "TARGET_TPF_PROFILING"
   "larl\t%%r1,.+14\;tm\t%0,255\;bnz\t%1"
   [(set_attr "length"   "14")])