From ba21122c63b06a70b620c8990c517b87198ad05b Mon Sep 17 00:00:00 2001 From: Rong Xu Date: Wed, 5 Nov 2014 14:25:07 -0800 Subject: [4.9] Restore recog state after finding pre-madd instruction. This patch backports svn r216853 from upsteam gcc-4.9 branch that fixed a bug introduced in fixing cortex a53 erratum 835769. Change-Id: Iccc6fd04ede28c2deba51be3f8e348ce374c8b4f --- gcc-4.9/gcc/testsuite/ChangeLog | 4 ++++ .../gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c | 14 ++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c (limited to 'gcc-4.9/gcc/testsuite') diff --git a/gcc-4.9/gcc/testsuite/ChangeLog b/gcc-4.9/gcc/testsuite/ChangeLog index 2200c1267..1881e179b 100644 --- a/gcc-4.9/gcc/testsuite/ChangeLog +++ b/gcc-4.9/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2014-10-29 Kyrylo Tkachov + + * gcc.target/aarch64/madd_after_asm_1.c: New test. + 2014-10-27 Guozhi Wei PR tree-optimization/63530 diff --git a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c new file mode 100644 index 000000000..523941d47 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/madd_after_asm_1.c @@ -0,0 +1,14 @@ +/* { dg-do assemble } */ +/* { dg-options "-O2 -mfix-cortex-a53-835769" } */ + +int +test (int a, double b, int c, int d, int e) +{ + double result; + __asm__ __volatile ("// %0, %1" + : "=w" (result) + : "0" (b) + : /* No clobbers */ + ); + return c * d + e; +} -- cgit v1.2.3