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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/arc/fpu.md6
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/arc/fma-1.c13
4 files changed, 28 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ce7197b..34eb1d9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
+ * config/arc/fpu.md (fmasf4): Force operand to register.
+ (fnmasf4): Likewise.
+
+2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
+
* config/arc/arc-protos.h (arc_pad_return): Remove.
* config/arc/arc.c (machine_function): Remove force_short_suffix
and size_reason.
diff --git a/gcc/config/arc/fpu.md b/gcc/config/arc/fpu.md
index 5c56f76..66a4d91 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/ChangeLog b/gcc/testsuite/ChangeLog
index 572424d..cb680c7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
+ * gcc.target/arc/fma-1.c: New test.
+
+2018-06-12 Claudiu Zissulescu <claziss@synopsys.com>
+
* gcc.target/arc/pr9001107555.c: New file.
2018-06-12 Richard Sandiford <richard.sandiford@linaro.org>
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 0000000..c195ad9
--- /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" } } */