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https://gcc.gnu.org/PR90751
From 5df07cedc211b67011688e911db34ee18997eedf Mon Sep 17 00:00:00 2001
From: danglin <danglin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 7 Jun 2019 23:20:44 +0000
Subject: [PATCH] PR target/90751 * config/pa/pa-linux.h
(ASM_DECLARE_FUNCTION_NAME): Update comment. Call pa_output_function_label.
(TARGET_ASM_FUNCTION_PROLOGUE): define. *
config/pa/pa-protos.h (pa_output_function_label): Declare. *
config/pa/pa.c (pa_output_function_prologue): Add ATTRIBUTE_UNUSED to
declaration. (pa_linux_output_function_prologue): Declare.
(TARGET_ASM_FUNCTION_PROLOGUE): Delete define.
(pa_output_function_label): New. (pa_output_function_prologue): Revise
to use pa_output_function_label. (pa_linux_output_function_prologue):
New. * config/pa/pa.h (TARGET_ASM_FUNCTION_PROLOGUE): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@272061 138bc75d-0d04-0410-961f-82ee72b054a4
--- a/gcc/config/pa/pa-linux.h
+++ b/gcc/config/pa/pa-linux.h
@@ -109,9 +109,14 @@ along with GCC; see the file COPYING3. If not see
{ \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ pa_output_function_label (FILE); \
} \
while (0)
+/* Output function prologue for linux. */
+#undef TARGET_ASM_FUNCTION_PROLOGUE
+#define TARGET_ASM_FUNCTION_PROLOGUE pa_linux_output_function_prologue
+
/* As well as globalizing the label, we need to encode the label
to ensure a plabel is generated in an indirect call. */
--- a/gcc/config/pa/pa-protos.h
+++ b/gcc/config/pa/pa-protos.h
@@ -108,6 +108,7 @@ extern void pa_asm_output_aligned_local (FILE *, const char *,
extern void pa_hpux_asm_output_external (FILE *, tree, const char *);
extern HOST_WIDE_INT pa_initial_elimination_offset (int, int);
extern HOST_WIDE_INT pa_function_arg_size (machine_mode, const_tree);
+extern void pa_output_function_label (FILE *);
extern const int pa_magic_milli[];
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -118,7 +118,8 @@ static void set_reg_plus_d (int, int, HOST_WIDE_INT, int);
static rtx pa_function_value (const_tree, const_tree, bool);
static rtx pa_libcall_value (machine_mode, const_rtx);
static bool pa_function_value_regno_p (const unsigned int);
-static void pa_output_function_prologue (FILE *);
+static void pa_output_function_prologue (FILE *) ATTRIBUTE_UNUSED;
+static void pa_linux_output_function_prologue (FILE *) ATTRIBUTE_UNUSED;
static void update_total_code_bytes (unsigned int);
static void pa_output_function_epilogue (FILE *);
static int pa_adjust_cost (rtx_insn *, int, rtx_insn *, int, unsigned int);
@@ -262,8 +263,6 @@ static size_t n_deferred_plabels = 0;
#undef TARGET_ASM_INTEGER
#define TARGET_ASM_INTEGER pa_assemble_integer
-#undef TARGET_ASM_FUNCTION_PROLOGUE
-#define TARGET_ASM_FUNCTION_PROLOGUE pa_output_function_prologue
#undef TARGET_ASM_FUNCTION_EPILOGUE
#define TARGET_ASM_FUNCTION_EPILOGUE pa_output_function_epilogue
@@ -3842,16 +3841,10 @@ pa_compute_frame_size (poly_int64 size, int *fregs_live)
& ~(PREFERRED_STACK_BOUNDARY / BITS_PER_UNIT - 1));
}
-/* On HP-PA, move-double insns between fpu and cpu need an 8-byte block
- of memory. If any fpu reg is used in the function, we allocate
- such a block here, at the bottom of the frame, just in case it's needed.
+/* Output function label, and associated .PROC and .CALLINFO statements. */
- If this function is a leaf procedure, then we may choose not
- to do a "save" insn. The decision about whether or not
- to do this is made in regclass.c. */
-
-static void
-pa_output_function_prologue (FILE *file)
+void
+pa_output_function_label (FILE *file)
{
/* The function's label and associated .PROC must never be
separated and must be output *after* any profiling declarations
@@ -3897,7 +3890,22 @@ pa_output_function_prologue (FILE *file)
fprintf (file, ",ENTRY_FR=%d", fr_saved + 11);
fputs ("\n\t.ENTRY\n", file);
+}
+
+/* Output function prologue. */
+static void
+pa_output_function_prologue (FILE *file)
+{
+ pa_output_function_label (file);
+ remove_useless_addtr_insns (0);
+}
+
+/* The label is output by ASM_DECLARE_FUNCTION_NAME on linux. */
+
+static void
+pa_linux_output_function_prologue (FILE *file ATTRIBUTE_UNUSED)
+{
remove_useless_addtr_insns (0);
}
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -1305,3 +1305,6 @@ do { \
/* Target CPU versions for D. */
#define TARGET_D_CPU_VERSIONS pa_d_target_versions
+
+/* Output default function prologue for hpux. */
+#define TARGET_ASM_FUNCTION_PROLOGUE pa_output_function_prologue
--
2.21.0
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