From 0a43021512a92d60b66fa42bc62521a6319aadea Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 9 Feb 2012 18:25:47 +0100 Subject: [PATCH] backport: re PR target/52006 (ARM ICE with incorrectly peepholed tls_load_dot_plus_eight) Backported from mainline 2012-01-28 Jakub Jelinek PR target/52006 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use arm_general_register_operand predicate for operand 2 instead of register_operand. * gcc.target/arm/pr52006.c: New test. From-SVN: r184057 --- gcc/ChangeLog | 7 +++++++ gcc/config/arm/arm.md | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.target/arm/pr52006.c | 19 +++++++++++++++++++ 4 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/arm/pr52006.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a53cc30dae03..a60ceb3456c9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,13 @@ 2012-02-09 Jakub Jelinek Backported from mainline + 2012-01-28 Jakub Jelinek + + PR target/52006 + * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use + arm_general_register_operand predicate for operand 2 instead of + register_operand. + 2012-01-19 Jakub Jelinek PR libmudflap/40778 diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 6fc8d6061827..130053b0bdd8 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -5363,7 +5363,8 @@ (const_int 8) (match_operand 1 "" "")] UNSPEC_PIC_BASE)) - (set (match_operand:SI 2 "register_operand" "") (mem:SI (match_dup 0)))] + (set (match_operand:SI 2 "arm_general_register_operand" "") + (mem:SI (match_dup 0)))] "TARGET_ARM && peep2_reg_dead_p (2, operands[0])" [(set (match_dup 2) (mem:SI (unspec:SI [(match_dup 3) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 9aaf833adb25..91e5f2210c30 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,6 +1,11 @@ 2012-02-09 Jakub Jelinek Backported from mainline + 2012-01-28 Jakub Jelinek + + PR target/52006 + * gcc.target/arm/pr52006.c: New test. + 2012-01-05 Jakub Jelinek PR rtl-optimization/51767 diff --git a/gcc/testsuite/gcc.target/arm/pr52006.c b/gcc/testsuite/gcc.target/arm/pr52006.c new file mode 100644 index 000000000000..249470ad5168 --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/pr52006.c @@ -0,0 +1,19 @@ +/* PR target/52006 */ +/* { dg-do compile } */ +/* { dg-options "-march=armv7-a -mfloat-abi=hard -O2 -fPIC" } */ + +unsigned long a; +static int b; + +void +foo (void) +{ + asm volatile ("" : "=r" (b)); +} + +void +bar (float f) +{ + if (f < b / 100.0) + a = 1; +} -- 2.47.2