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authoredlinger <edlinger@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-22 13:01:11 +0000
committeredlinger <edlinger@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-22 13:01:11 +0000
commitfadfd5fc8f0f996a20b9ed64fb6be0b26dba9f56 (patch)
tree5c76af84de0c8a66f87b02adb894bc70c95c683e
parent6ac263a48f365e397f7b81e6765ef865a754a6f8 (diff)
downloadgcc-fadfd5fc8f0f996a20b9ed64fb6be0b26dba9f56.tar.gz
gcc:
2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de> * config/i386/i386.c (print_reg): Emit an error message on attempt to print FLAGS_REG. testsuite: 2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de> * gcc.target/i386/asm-flag-7.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237702 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/i386/i386.c7
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/i386/asm-flag-7.c9
4 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b779396ed81..909a7429f86 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ * config/i386/i386.c (print_reg): Emit an error message on attempt to
+ print FLAGS_REG.
+
2016-06-22 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm.c (arm_cortex_a73_tune): New struct.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 9d3610647f0..1e872860fbc 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -17246,10 +17246,15 @@ print_reg (rtx x, int code, FILE *file)
gcc_assert (regno != ARG_POINTER_REGNUM
&& regno != FRAME_POINTER_REGNUM
- && regno != FLAGS_REG
&& regno != FPSR_REG
&& regno != FPCR_REG);
+ if (regno == FLAGS_REG)
+ {
+ output_operand_lossage ("invalid use of asm flag output");
+ return;
+ }
+
duplicated = code == 'd' && TARGET_AVX;
switch (msize)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 31300ec195c..b8546af8dbe 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2016-06-22 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ * gcc.target/i386/asm-flag-7.c: New test.
+
2016-06-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* gcc.dg/tree-ssa/forwprop-28.c: Remove mep-* support.
diff --git a/gcc/testsuite/gcc.target/i386/asm-flag-7.c b/gcc/testsuite/gcc.target/i386/asm-flag-7.c
new file mode 100644
index 00000000000..11309972f69
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/asm-flag-7.c
@@ -0,0 +1,9 @@
+/* Test error conditions of asm flag outputs. */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+void test(void)
+{
+ char x;
+ asm("# %0" : "=@ccz"(x)); /* { dg-error "invalid use of asm flag output" } */
+}