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arc: Fix enter pattern instruction's offsets #9

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Merged
merged 1 commit into from
Aug 11, 2022
Merged

arc: Fix enter pattern instruction's offsets #9

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6 changes: 3 additions & 3 deletions gcc/config/arc/arc.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -3350,7 +3350,7 @@ arc_save_callee_enter (uint64_t gmask,
reg = gen_rtx_REG (Pmode, RETURN_ADDR_REGNUM);
mem = gen_frame_mem (Pmode, plus_constant (Pmode,
stack_pointer_rtx,
off));
-off));
XVECEXP (insn, 0, indx) = gen_rtx_SET (mem, reg);
RTX_FRAME_RELATED_P (XVECEXP (insn, 0, indx++)) = 1;
off -= UNITS_PER_WORD;
Expand All @@ -3364,7 +3364,7 @@ arc_save_callee_enter (uint64_t gmask,
reg = gen_rtx_REG (SImode, regno);
mem = gen_frame_mem (SImode, plus_constant (Pmode,
stack_pointer_rtx,
off));
-off));
XVECEXP (insn, 0, indx) = gen_rtx_SET (mem, reg);
RTX_FRAME_RELATED_P (XVECEXP (insn, 0, indx)) = 1;
gmask = gmask & ~(1ULL << regno);
Expand All @@ -3374,7 +3374,7 @@ arc_save_callee_enter (uint64_t gmask,
{
mem = gen_frame_mem (Pmode, plus_constant (Pmode,
stack_pointer_rtx,
off));
-off));
XVECEXP (insn, 0, indx) = gen_rtx_SET (mem, hard_frame_pointer_rtx);
RTX_FRAME_RELATED_P (XVECEXP (insn, 0, indx++)) = 1;
off -= UNITS_PER_WORD;
Expand Down
28 changes: 28 additions & 0 deletions gcc/testsuite/gcc.target/arc/enter-dw2-1.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
/* Verify that we generate appropriate CFI offsets in the case of enter
instruction. */
/* { dg-skip-if "Not having enter_s insn." { arc700 || arc6xx } } */
/* { dg-do compile } */
/* { dg-options "-g -Os" } */

extern void bar (void);

void foo (void)
{
asm volatile (";my clobber list"
: : : "r13", "r14", "r15", "r16", "r17", "r18", "r19");
bar ();
asm volatile (";my clobber list"
: : : "r13", "r14", "r15", "r16", "r17", "r18", "r19");
}


/* { dg-final { scan-assembler-times "enter_s" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_def_cfa_offset 32" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 31, -32" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 13, -28" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 14, -24" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 15, -20" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 16, -16" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 17, -12" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 18, -8" 1 } } */
/* { dg-final { scan-assembler-times "\.cfi_offset 19, -4" 1 } } */