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(xstormy16_expand_prologue): Do not mark assignments to the hard frame pointer as being stack frame related.

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(xstormy16_expand_prologue): Do	not mark assignments to the hard frame pointer
as being stack frame related.
(xstormy16_expand_epilogue): Mark adjustments to the stack pointer as being
stack frame related.

From-SVN: r66954
This commit is contained in:
Andrew MacLeod 2003-05-19 08:48:20 +00:00 committed by Nick Clifton
parent 27d645f767
commit 6208b55d98
2 changed files with 38 additions and 19 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2003-05-19 Andrew Macleod <amacleod@redhat.com>
* config/stormy16/stormy16.c (xstormy16_expand_prologue): Do
not mark assignments to the hard frame pointer as being stack
frame related.
(xstormy16_expand_epilogue): Mark adjustments to the stack
pointer as being stack frame related.
2003-05-19 Richard Sandiford <rsandifo@redhat.com> 2003-05-19 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.h (ISA_HAS_LOAD_DELAY, ISA_HAS_XFER_DELAY, * config/mips/mips.h (ISA_HAS_LOAD_DELAY, ISA_HAS_XFER_DELAY,

49
gcc/config/stormy16/stormy16.c
View File

@ -1127,10 +1127,7 @@ xstormy16_expand_prologue ()
/* It's just possible that the SP here might be what we need for /* It's just possible that the SP here might be what we need for
the new FP... */ the new FP... */
if (frame_pointer_needed && layout.sp_minus_fp == layout.locals_size) if (frame_pointer_needed && layout.sp_minus_fp == layout.locals_size)
{ emit_move_insn (hard_frame_pointer_rtx, stack_pointer_rtx);
insn = emit_move_insn (hard_frame_pointer_rtx, stack_pointer_rtx);
RTX_FRAME_RELATED_P (insn) = 1;
}
/* Allocate space for local variables. */ /* Allocate space for local variables. */
if (layout.locals_size) if (layout.locals_size)
@ -1144,14 +1141,11 @@ xstormy16_expand_prologue ()
if (frame_pointer_needed && layout.sp_minus_fp != layout.locals_size) if (frame_pointer_needed && layout.sp_minus_fp != layout.locals_size)
{ {
insn = emit_move_insn (hard_frame_pointer_rtx, stack_pointer_rtx); insn = emit_move_insn (hard_frame_pointer_rtx, stack_pointer_rtx);
RTX_FRAME_RELATED_P (insn) = 1;
if (layout.sp_minus_fp) if (layout.sp_minus_fp)
{ emit_addhi3_postreload (hard_frame_pointer_rtx,
insn = emit_addhi3_postreload (hard_frame_pointer_rtx, hard_frame_pointer_rtx,
hard_frame_pointer_rtx, GEN_INT (-layout.sp_minus_fp));
GEN_INT (-layout.sp_minus_fp));
RTX_FRAME_RELATED_P (insn) = 1;
}
} }
} }
@ -1175,7 +1169,7 @@ void
xstormy16_expand_epilogue () xstormy16_expand_epilogue ()
{ {
struct xstormy16_stack_layout layout; struct xstormy16_stack_layout layout;
rtx mem_pop_rtx; rtx mem_pop_rtx, insn;
int regno; int regno;
const int ifun = xstormy16_interrupt_function_p (); const int ifun = xstormy16_interrupt_function_p ();
@ -1190,19 +1184,36 @@ xstormy16_expand_epilogue ()
if (frame_pointer_needed && layout.sp_minus_fp == layout.locals_size) if (frame_pointer_needed && layout.sp_minus_fp == layout.locals_size)
emit_move_insn (stack_pointer_rtx, hard_frame_pointer_rtx); emit_move_insn (stack_pointer_rtx, hard_frame_pointer_rtx);
else else
emit_addhi3_postreload (stack_pointer_rtx, stack_pointer_rtx, {
GEN_INT (- layout.locals_size)); insn = emit_addhi3_postreload (stack_pointer_rtx, stack_pointer_rtx,
GEN_INT (- layout.locals_size));
RTX_FRAME_RELATED_P (insn) = 1;
}
} }
/* Restore any call-saved registers. */ /* Restore any call-saved registers. */
for (regno = FIRST_PSEUDO_REGISTER - 1; regno >= 0; regno--) for (regno = FIRST_PSEUDO_REGISTER - 1; regno >= 0; regno--)
if (REG_NEEDS_SAVE (regno, ifun)) if (REG_NEEDS_SAVE (regno, ifun))
emit_move_insn (gen_rtx_REG (HImode, regno), mem_pop_rtx); {
rtx dwarf;
insn = emit_move_insn (gen_rtx_REG (HImode, regno), mem_pop_rtx);
RTX_FRAME_RELATED_P (insn) = 1;
dwarf = gen_rtx_SET (Pmode, stack_pointer_rtx,
plus_constant (stack_pointer_rtx,
-GET_MODE_SIZE (Pmode)));
REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR,
dwarf,
REG_NOTES (insn));
}
/* Pop the stack for the stdarg save area. */ /* Pop the stack for the stdarg save area. */
if (layout.stdarg_save_size) if (layout.stdarg_save_size)
emit_addhi3_postreload (stack_pointer_rtx, stack_pointer_rtx, {
GEN_INT (- layout.stdarg_save_size)); insn = emit_addhi3_postreload (stack_pointer_rtx, stack_pointer_rtx,
GEN_INT (- layout.stdarg_save_size));
RTX_FRAME_RELATED_P (insn) = 1;
}
/* Return. */ /* Return. */
if (ifun) if (ifun)
@ -1557,9 +1568,9 @@ xstormy16_asm_output_mi_thunk (file, thunk_fndecl, delta,
/* Output constructors and destructors. Just like /* Output constructors and destructors. Just like
default_named_section_asm_out_* but don't set the sections writable. */ default_named_section_asm_out_* but don't set the sections writable. */
#undef TARGET_ASM_CONSTRUCTOR #undef TARGET_ASM_CONSTRUCTOR
#define TARGET_ASM_CONSTRUCTOR xstormy16_asm_out_constructor #define TARGET_ASM_CONSTRUCTOR xstormy16_asm_out_constructor
#undef TARGET_ASM_DESTRUCTOR #undef TARGET_ASM_DESTRUCTOR
#define TARGET_ASM_DESTRUCTOR xstormy16_asm_out_destructor #define TARGET_ASM_DESTRUCTOR xstormy16_asm_out_destructor
static void static void