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* [gcc r8-10517] arm: Extend the PR94780 fix to arm
@ 2020-09-18 8:58 Jakub Jelinek
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From: Jakub Jelinek @ 2020-09-18 8:58 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:bbb72c2ccc271541e0d1feb25d2256d47041df59
commit r8-10517-gbbb72c2ccc271541e0d1feb25d2256d47041df59
Author: Richard Sandiford <richard.sandiford@arm.com>
Date: Wed Apr 29 11:51:38 2020 +0100
arm: Extend the PR94780 fix to arm
Essentially the same fix as for x86.
2020-04-29 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv): Use
TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
fenv_var and new_fenv_var.
(cherry picked from commit 1d7ead9cba91533291e0048d22b711ca124e19de)
Diff:
---
gcc/ChangeLog | 6 ++++++
gcc/config/arm/arm-builtins.c | 9 +++++----
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8a21aac9b0e..9d11b8a47e6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2020-04-29 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv): Use
+ TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
+ fenv_var and new_fenv_var.
+
2020-09-17 Segher Boessenkool <segher@kernel.crashing.org>
Backported from master:
diff --git a/gcc/config/arm/arm-builtins.c b/gcc/config/arm/arm-builtins.c
index 183a7b907f6..48500bca825 100644
--- a/gcc/config/arm/arm-builtins.c
+++ b/gcc/config/arm/arm-builtins.c
@@ -3260,8 +3260,9 @@ arm_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update)
mask = build_int_cst (unsigned_type_node,
~((ARM_FE_ALL_EXCEPT << ARM_FE_EXCEPT_SHIFT)
| ARM_FE_ALL_EXCEPT));
- ld_fenv = build2 (MODIFY_EXPR, unsigned_type_node,
- fenv_var, build_call_expr (get_fpscr, 0));
+ ld_fenv = build4 (TARGET_EXPR, unsigned_type_node,
+ fenv_var, build_call_expr (get_fpscr, 0),
+ NULL_TREE, NULL_TREE);
masked_fenv = build2 (BIT_AND_EXPR, unsigned_type_node, fenv_var, mask);
hold_fnclex = build_call_expr (set_fpscr, 1, masked_fenv);
*hold = build2 (COMPOUND_EXPR, void_type_node,
@@ -3282,8 +3283,8 @@ arm_atomic_assign_expand_fenv (tree *hold, tree *clear, tree *update)
__atomic_feraiseexcept (new_fenv_var); */
new_fenv_var = create_tmp_var_raw (unsigned_type_node);
- reload_fenv = build2 (MODIFY_EXPR, unsigned_type_node, new_fenv_var,
- build_call_expr (get_fpscr, 0));
+ reload_fenv = build4 (TARGET_EXPR, unsigned_type_node, new_fenv_var,
+ build_call_expr (get_fpscr, 0), NULL_TREE, NULL_TREE);
restore_fnenv = build_call_expr (set_fpscr, 1, fenv_var);
atomic_feraiseexcept = builtin_decl_implicit (BUILT_IN_ATOMIC_FERAISEEXCEPT);
update_call = build_call_expr (atomic_feraiseexcept, 1,
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