diff options
Diffstat (limited to 'gcc/config/pa/pa.c')
| -rw-r--r-- | gcc/config/pa/pa.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c index 715700e2d1dc..411ea9cbb0d8 100644 --- 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); @@ -263,8 +264,6 @@ 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); } @@ -4569,10 +4577,6 @@ output_deferred_profile_counters (void) void hppa_profile_hook (int label_no) { - /* We use SImode for the address of the function in both 32 and - 64-bit code to avoid having to provide DImode versions of the - lcla2 and load_offset_label_address insn patterns. */ - rtx reg = gen_reg_rtx (SImode); rtx_code_label *label_rtx = gen_label_rtx (); int reg_parm_stack_space = REG_PARM_STACK_SPACE (NULL_TREE); rtx arg_bytes, begin_label_rtx, mcount, sym; @@ -4604,18 +4608,13 @@ hppa_profile_hook (int label_no) if (!use_mcount_pcrel_call) { /* The address of the function is loaded into %r25 with an instruction- - relative sequence that avoids the use of relocations. The sequence - is split so that the load_offset_label_address instruction can - occupy the delay slot of the call to _mcount. */ + relative sequence that avoids the use of relocations. We use SImode + for the address of the function in both 32 and 64-bit code to avoid + having to provide DImode versions of the lcla2 pattern. */ if (TARGET_PA_20) - emit_insn (gen_lcla2 (reg, label_rtx)); + emit_insn (gen_lcla2 (gen_rtx_REG (SImode, 25), label_rtx)); else - emit_insn (gen_lcla1 (reg, label_rtx)); - - emit_insn (gen_load_offset_label_address (gen_rtx_REG (SImode, 25), - reg, - begin_label_rtx, - label_rtx)); + emit_insn (gen_lcla1 (gen_rtx_REG (SImode, 25), label_rtx)); } if (!NO_DEFERRED_PROFILE_COUNTERS) @@ -10039,10 +10038,11 @@ pa_can_change_mode_class (machine_mode from, machine_mode to, /* There is no way to load QImode or HImode values directly from memory to a FP register. SImode loads to the FP registers are not zero extended. On the 64-bit target, this conflicts with the definition - of LOAD_EXTEND_OP. Thus, we can't allow changing between modes with - different sizes in the floating-point registers. */ + of LOAD_EXTEND_OP. Thus, we reject all mode changes in the FP registers + except for DImode to SImode on the 64-bit target. It is handled by + register renaming in pa_print_operand. */ if (MAYBE_FP_REG_CLASS_P (rclass)) - return false; + return TARGET_64BIT && from == DImode && to == SImode; /* TARGET_HARD_REGNO_MODE_OK places modes with sizes larger than a word in specific sets of registers. Thus, we cannot allow changing @@ -10234,7 +10234,7 @@ pa_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value) } #ifdef HAVE_ENABLE_EXECUTE_STACK - emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__enable_execute_stack"), + emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__enable_execute_stack"), LCT_NORMAL, VOIDmode, XEXP (m_tramp, 0), Pmode); #endif } |