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Actually, the locals need to go above the spills and saved regs, so fp == lb.

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This commit is contained in:
David Given 2016-10-29 12:00:33 +02:00
parent 2cc2c0ae98
commit 68419da235
1 changed files with 6 additions and 6 deletions
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12
mach/powerpc/mcg/platform.c
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@ -7,11 +7,11 @@
* | old FR * | old FR
* | old FP * | old FP
* | --------------- <- st, fp (a.k.a. lb) * | --------------- <- st, fp (a.k.a. lb)
* | locals
* | ---------------
* | spills * | spills
* | --------------- * | ---------------
* | saved regs * | saved regs
* | ---------------
* | locals
* | --------------- <- sp * | --------------- <- sp
* V ...user area... * V ...user area...
* *
@ -39,9 +39,9 @@ void platform_calculate_offsets(void)
} }
} }
current_proc->fp_to_st = 0; current_proc->fp_to_st = -current_proc->locals_size;
current_proc->fp_to_ab = 8; current_proc->fp_to_ab = 8;
current_proc->fp_to_lb = -(current_proc->spills_size + current_proc->saved_size); current_proc->fp_to_lb = 0;
} }
struct hop* platform_prologue(void) struct hop* platform_prologue(void)
@ -62,7 +62,7 @@ struct hop* platform_prologue(void)
hop_add_insel(hop, "addi fp, sp, %d", spoffset); hop_add_insel(hop, "addi fp, sp, %d", spoffset);
/* Saved reg offsets are negative. */ /* Saved reg offsets are negative. */
saved_offset = -current_proc->spills_size; saved_offset = -(current_proc->locals_size + current_proc->spills_size);
for (i=0; i<saved_regs.count; i++) for (i=0; i<saved_regs.count; i++)
{ {
struct hreg* hreg = saved_regs.item[i]; struct hreg* hreg = saved_regs.item[i];
@ -82,7 +82,7 @@ struct hop* platform_epilogue(void)
int saved_offset; int saved_offset;
/* Saved reg offsets are negative. */ /* Saved reg offsets are negative. */
saved_offset = -current_proc->spills_size; saved_offset = -(current_proc->locals_size + current_proc->spills_size);
for (i=0; i<saved_regs.count; i++) for (i=0; i<saved_regs.count; i++)
{ {
struct hreg* hreg = saved_regs.item[i]; struct hreg* hreg = saved_regs.item[i];