diff options
| author |   Alexey Brodkin <abrodkin@synopsys.com> | 2019-04-16 17:45:40 (GMT) |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2019-04-17 07:30:34 (GMT) |
| commit | 01c04bf50203da05cf197e0d41ed92d10d3315ba (patch) | |
| tree | bfb3704a0da1689f7077dd829848f951d4a6438e /packages/gcc/8.3.0 | |
| parent | e9e30581e61c511d2b7e822841268f4024d19b80 (diff) | |
package/gcc: Fix Glibc compilation for ARC with -mcpu= hs38_linux
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>
Diffstat (limited to 'packages/gcc/8.3.0')
| -rw-r--r-- | packages/gcc/8.3.0/0022-ARC-Update-fma-expansions.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/packages/gcc/8.3.0/0022-ARC-Update-fma-expansions.patch b/packages/gcc/8.3.0/0022-ARC-Update-fma-expansions.patch new file mode 100644 index 0000000..c2680d5 --- /dev/null +++ b/packages/gcc/8.3.0/0022-ARC-Update-fma-expansions.patch @@ -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 + |