ExternalVendorCode/crosstool-ng
1
0
Fork 0
mirror of https://github.com/crosstool-ng/crosstool-ng.git synced 2024-12-18 20:37:56 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

package/gcc: Fix Glibc compilation for ARC with -mcpu= hs38_linux

Browse Source 
Back-port of upstream fix:
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5664ecf49828edb20f53937ab2e417ba173fc903

Fixes: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90103

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2019-04-16 20:45:40 +03:00
parent e9e30581e6
commit 01c04bf502
1 changed files with 71 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
packages/gcc/8.3.0/0022-ARC-Update-fma-expansions.patch vendored Normal file
View File

@ -0,0 +1,71 @@
From 5664ecf49828edb20f53937ab2e417ba173fc903 Mon Sep 17 00:00:00 2001
From: claziss <claziss@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 13 Jun 2018 08:54:09 +0000
Subject: [PATCH] [ARC] Update fma expansions.
Accept at most a single constant for fma patterns.
gcc/
2018-03-21 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/fpu.md (fmasf4): Force operand to register.
(fnmasf4): Likewise.
gcc/testsuite
2018-03-21 Claudiu Zissulescu <claziss@synopsys.com>
* gcc.target/arc/fma-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@261543 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/config/arc/fpu.md | 6 ++++++
gcc/testsuite/gcc.target/arc/fma-1.c | 13 +++++++++++++
2 files changed, 19 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/arc/fma-1.c
diff --git a/gcc/config/arc/fpu.md b/gcc/config/arc/fpu.md
index 5c56f76c679..66a4d91616f 100644
--- a/gcc/config/arc/fpu.md
+++ b/gcc/config/arc/fpu.md
@@ -64,6 +64,9 @@
tmp = gen_rtx_REG (SFmode, ACCL_REGNO);
emit_move_insn (tmp, operands[3]);
operands[3] = tmp;
+ if (!register_operand (operands[1], SFmode)
+ && !register_operand (operands[2], SFmode))
+ operands[2] = force_reg (SFmode, operands[2]);
}")
(define_expand "fnmasf4"
@@ -77,6 +80,9 @@
tmp = gen_rtx_REG (SFmode, ACCL_REGNO);
emit_move_insn (tmp, operands[3]);
operands[3] = tmp;
+ if (!register_operand (operands[1], SFmode)
+ && !register_operand (operands[2], SFmode))
+ operands[2] = force_reg (SFmode, operands[2]);
}")
(define_insn "fmasf4_fpu"
diff --git a/gcc/testsuite/gcc.target/arc/fma-1.c b/gcc/testsuite/gcc.target/arc/fma-1.c
new file mode 100644
index 00000000000..c195ad98127
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arc/fma-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-skip-if "FPU not available" { arc700 || arc6xx } } */
+/* { dg-options "-s -std=gnu11 -O2 -frounding-math -mfpu=fpus_all" } */
+
+const float a, b = 7.8539818525e01;
+
+/* Check if the fma operation is generated correctly. */
+
+int foo (void)
+{
+ return (float)3.0 * b + a;
+}
+/* { dg-final { scan-assembler "fsmadd" } } */
--
2.16.2