From 475839b6db90ccdb27c0cc56400185cd04e783c3 Mon Sep 17 00:00:00 2001 From: Alan Modra Date: Wed, 4 May 2016 09:21:34 +0930 Subject: [PATCH] [RS6000] powerpc64le -ffixed-cr2 -ffixed-cr3 -ffixed-cr4 ICE gcc/ PR target/70866 * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p when cr2,3,4 are all fixed regs. gcc/testsuite/ * gcc.target/powerpc/pr70866.c: New. From-SVN: r235851 --- gcc/ChangeLog | 6 ++++++ gcc/config/rs6000/rs6000.c | 6 +++--- gcc/testsuite/ChangeLog | 4 ++++ gcc/testsuite/gcc.target/powerpc/pr70866.c | 11 +++++++++++ 4 files changed, 24 insertions(+), 3 deletions(-) create mode 100644 gcc/testsuite/gcc.target/powerpc/pr70866.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d9ae26a8093..79fb0f48598 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-05-04 Alan Modra + + PR target/70866 + * config/rs6000/rs6000.c (rs6000_stack_info): Don't set cr_save_p + when cr2,3,4 are all fixed regs. + 2016-05-04 Bernd Schmidt PR rtl-optimization/57193 diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 61d39242b39..a88cb190683 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -23689,9 +23689,9 @@ rs6000_stack_info (void) info->calls_p = (!crtl->is_leaf || cfun->machine->ra_needs_full_frame); /* Determine if we need to save the condition code registers. */ - if (df_regs_ever_live_p (CR2_REGNO) - || df_regs_ever_live_p (CR3_REGNO) - || df_regs_ever_live_p (CR4_REGNO)) + if (save_reg_p (CR2_REGNO) + || save_reg_p (CR3_REGNO) + || save_reg_p (CR4_REGNO)) { info->cr_save_p = 1; if (DEFAULT_ABI == ABI_V4) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b83de7369fd..6c1397d78c0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2016-05-04 Alan Modra + + * gcc.target/powerpc/pr70866.c: New. + 2016-05-03 Martin Sebor PR c++/66561 diff --git a/gcc/testsuite/gcc.target/powerpc/pr70866.c b/gcc/testsuite/gcc.target/powerpc/pr70866.c new file mode 100644 index 00000000000..25fd05a1deb --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr70866.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-ffixed-cr2 -ffixed-cr3 -ffixed-cr4" } */ + +#define SET_CR(R,V) __asm__ __volatile__ ("mtcrf %0,%1" : : "n" (1<<(7-R)), "r" (V<<(4*(7-R))) : "cr" #R) + +void foo (void) +{ + SET_CR (2, 7); + SET_CR (3, 8); + SET_CR (4, 9); +} -- 2.30.2