Viewing file:  bitfield-abi-warning-align32-O2.c (6.55 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do compile } */
/* { dg-options "-O2 -save-temps" } */
#define ALIGN 32
#define EXTRA
#include "bitfield-abi-warning.h"
/* In f1, f2, f4, f8, f16 (and stdarg versions): */
/* { dg-final { scan-assembler-times "ldr\tx0, \\\[x1\\\]" 10 } } */
/* In fp, f1p, f2p, f4p, f8p (and stdarg versions): */
/* { dg-final { scan-assembler-times "and\tw0, w1, 1" 10 { xfail *-*-* } } } */
/* In f16p (and stdarg version): */
/* { dg-final { scan-assembler-times "and\tw0, w2, 1" 2 { xfail *-*-* } } } */
/* In f1_stack, f2_stack, f4_stack, f8_stack, f16_stack, f8p_stack: */
/* { dg-final { scan-assembler-times "ldr\tx\[0-9\]+, \\\[sp, 8\\\]" 6 { xfail *-*-* } } } */
/* In fp_stack, f1p_stack: */
/* { dg-final { scan-assembler-times "ldrb\tw0, \\\[sp, 8\\\]" 2 { xfail *-*-* } } } */
/* In f2p_stack: */
/* { dg-final { scan-assembler-times "ldrh\tw0, \\\[sp, 8\\\]" 1 { xfail *-*-* } } } */
/* In f4p_stack: */
/* { dg-final { scan-assembler-times "ldr\tw0, \\\[sp, 8\\\]" 1 { xfail *-*-* } } } */
/* In f16p_stack: */
/* { dg-final { scan-assembler-times "ldr\tx0, \\\[sp, 16\\\]" 1 { xfail *-*-* } } } */
/* Bitfield parameter in registers. */
/* No change in parameter passing in GCC 9.1 for lines 47-51 (f1, f2, f4, f8, f16)
because the overall alignment is > 16. No warning expected. */
/* No change in parameter passing in GCC 9.1 for lines 53-57 (fp, f1p, f2p,
f4p, f8p) because the argument fits in a single register. Should not warn,
but aarch64_function_arg_boundary would need to take the argument size into
account as well as whether it's passed via registers or the stack. */
/* { dg-note {parameter passing for argument of type 'struct Sp' changed in GCC 9.1} "" { target *-*-* } 53 } fp */
/* { dg-note {parameter passing for argument of type 'struct S1p' changed in GCC 9.1} "" { target *-*-* } 54 } f1p */
/* { dg-note {parameter passing for argument of type 'struct S2p' changed in GCC 9.1} "" { target *-*-* } 55 } f2p */
/* { dg-note {parameter passing for argument of type 'struct S4p' changed in GCC 9.1} "" { target *-*-* } 56 } f4p */
/* { dg-note {parameter passing for argument of type 'struct S8p' changed in GCC 9.1} "" { target *-*-* } 57 } f8p */
/* Changed in GCC 9.1, but we fail to emit a warning since GCC 11 (was OK with GCC 9). */
/* { dg-note {parameter passing for argument of type 'struct S16p' changed in GCC 9.1} "" { xfail *-*-* } 58 } f16p */
/* Bitfield call argument in registers. */
/* No change in parameter passing in GCC 9.1 for lines 60-64 (g1, g2, g4, g8, g16)
because the overall alignment is > 16. No warning expected. */
/* No change in parameter passing in GCC 9.1 for lines 66-70 (gp, g1p, g2p,
g4p, g8p), no warning expected. */
/* Changed in GCC 9.1, but we fail to emit a warning. */
/* { dg-note {parameter passing for argument of type 'struct S16p' changed in GCC 9.1} "" { xfail *-*-* } 71 } g16p */
/* Bitfield parameter in stack. */
/* No change in parameter passing in GCC 9.1 for lines 74-78 (f1_stack,
f2_stack, f4_stack, f8_stack, f16_stack) because the overall alignment is >
16. No warning expected. */
/* { dg-note {parameter passing for argument of type 'struct Sp' changed in GCC 9.1} "" { target *-*-* } 80 } fp_stack */
/* { dg-note {parameter passing for argument of type 'struct S1p' changed in GCC 9.1} "" { target *-*-* } 81 } f1p_stack */
/* { dg-note {parameter passing for argument of type 'struct S2p' changed in GCC 9.1} "" { target *-*-* } 82 } f2p_stack */
/* { dg-note {parameter passing for argument of type 'struct S4p' changed in GCC 9.1} "" { target *-*-* } 83 } f4p_stack */
/* { dg-note {parameter passing for argument of type 'struct S8p' changed in GCC 9.1} "" { target *-*-* } 84 } f8p_stack */
/* No change in parameter passing in GCC 9.1 for line 85 (f16p_stack) because
the overall alignment is >= 16. No warning expected. */
/* Bitfield call argument in stack. */
/* No change in parameter passing in GCC 9.1 for lines 87-91 (g1_stack,
g2_stack, g4_stack, g8_stack, g16_stack) because the overall alignment is >
16. No warning expected. */
/* { dg-note {parameter passing for argument of type 'struct Sp' changed in GCC 9.1} "" { target *-*-* } 93 } gp_stack */
/* { dg-note {parameter passing for argument of type 'struct S1p' changed in GCC 9.1} "" { target *-*-* } 94 } g1p_stack */
/* { dg-note {parameter passing for argument of type 'struct S2p' changed in GCC 9.1} "" { target *-*-* } 95 } g2p_stack */
/* { dg-note {parameter passing for argument of type 'struct S4p' changed in GCC 9.1} "" { target *-*-* } 96 } g4p_stack */
/* { dg-note {parameter passing for argument of type 'struct S8p' changed in GCC 9.1} "" { target *-*-* } 97 } g8p_stack */
/* No change in parameter passing in GCC 9.1 for line 98 (g16p_stack). No
warning expected. */
/* Bitfield parameter in stdarg. */
/* No change in parameter passing in GCC 9.1 for lines 101-105 (f1_stdarg,
f2_stdarg, f4_stdarg, f8_stdarg, f16_stdarg) because the overall alignment
is > 16. No warning expected. */
/* Parameter passing for these should not have changed in GCC 9.1 (PR 105549).
Fortunately we warn. Note the discrepancy with lines 120-124 below: we warn
in the callee, but not in the caller. */
/* { dg-note {parameter passing for argument of type 'struct Sp' changed in GCC 9.1} "" { target *-*-* } 107 } fp_stdarg */
/* { dg-note {parameter passing for argument of type 'struct S1p' changed in GCC 9.1} "" { target *-*-* } 108 } f1p_stdarg */
/* { dg-note {parameter passing for argument of type 'struct S2p' changed in GCC 9.1} "" { target *-*-* } 109 } f2p_stdarg */
/* { dg-note {parameter passing for argument of type 'struct S4p' changed in GCC 9.1} "" { target *-*-* } 110 } f4p_stdarg */
/* { dg-note {parameter passing for argument of type 'struct S8p' changed in GCC 9.1} "" { target *-*-* } 111 } f8p_stdarg */
/* No change in parameter passing in GCC 9.1 for line 112 (f16p_stdarg).
Should not warn. */
/* { dg-note {parameter passing for argument of type 'struct S16p' changed in GCC 9.1} "" { target *-*-* } 112 } f16p_stdarg */
/* Bitfield call argument in stdarg. */
/* No change in parameter passing in GCC 9.1 for lines 114-118 (g1_stdarg,
g2_stdarg, g4_stdarg, g8_stdarg, g16_stdarg) because the overall alignment
is > 16. No warning expected. */
/* No change in parameter passing in GCC 9.1 for lines 120-124 (gp_stdarg,
g1p_stdarg, g2p_stdarg, g4p_stdarg, g8p_stdarg), no warning expected. */
/* Changed in GCC 9.1, but we fail to emit a warning. */
/* { dg-note {parameter passing for argument of type 'struct S16p' changed in GCC 9.1} "" { xfail *-*-* } 125 } g16p_stdarg */
|
