[PATCH v4 21/29] Refactor Thumb-1 floating point subtraction into a new file.

[gnu]

From: Daniel Engel <g...@danielengel.com>

gcc/libgcc/ChangeLog:
2021-01-07 Daniel Engel <g...@danielengel.com>

        * config/arm/bpabi-v6m.S: Moved __aeabi_frsub() to
        * config/arm/eabi/fadd.S: New file.
        * config/arm/lib1funcs.S: #include eabi/fadd.S (v6m only).
---
 libgcc/config/arm/bpabi-v6m.S | 16 ----------------
 libgcc/config/arm/eabi/fadd.S | 16 ++++++++++++++++
 libgcc/config/arm/lib1funcs.S |  1 +
 3 files changed, 17 insertions(+), 16 deletions(-)
 create mode 100644 libgcc/config/arm/eabi/fadd.S

diff --git a/libgcc/config/arm/bpabi-v6m.S b/libgcc/config/arm/bpabi-v6m.S
index 7c874f06218..c76c3b0568b 100644
--- a/libgcc/config/arm/bpabi-v6m.S
+++ b/libgcc/config/arm/bpabi-v6m.S
@@ -33,22 +33,6 @@
        .eabi_attribute 25, 1
 #endif /* __ARM_EABI__ */
 
-
-#ifdef L_arm_addsubsf3
-
-FUNC_START aeabi_frsub
-
-      push     {r4, lr}
-      movs     r4, #1
-      lsls     r4, #31
-      eors     r0, r0, r4
-      bl       __aeabi_fadd
-      pop      {r4, pc}
-
-      FUNC_END aeabi_frsub
-
-#endif /* L_arm_addsubsf3 */
-
 #ifdef L_arm_addsubdf3
 
 FUNC_START aeabi_drsub
diff --git a/libgcc/config/arm/eabi/fadd.S b/libgcc/config/arm/eabi/fadd.S
new file mode 100644
index 00000000000..223e38f7e50
--- /dev/null
+++ b/libgcc/config/arm/eabi/fadd.S
@@ -0,0 +1,16 @@
+
+#ifdef L_arm_addsubsf3
+
+FUNC_START aeabi_frsub
+
+      push     {r4, lr}
+      movs     r4, #1
+      lsls     r4, #31
+      eors     r0, r0, r4
+      bl       __aeabi_fadd
+      pop      {r4, pc}
+
+      FUNC_END aeabi_frsub
+
+#endif /* L_arm_addsubsf3 */
+
diff --git a/libgcc/config/arm/lib1funcs.S b/libgcc/config/arm/lib1funcs.S
index ed0b1eb1041..e439449422f 100644
--- a/libgcc/config/arm/lib1funcs.S
+++ b/libgcc/config/arm/lib1funcs.S
@@ -1946,6 +1946,7 @@ LSYM(Lchange_\register):
 #include "bpabi-v6m.S"
 #include "eabi/fplib.h"
 #include "eabi/fcmp.S"
+#include "eabi/fadd.S"
 #endif /* NOT_ISA_TARGET_32BIT */
 #include "eabi/lcmp.S"
 #endif /* !__symbian__ */
-- 
2.25.1