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111
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1 /* The goal here is to verify that increasing the size of the guard allows
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2 elimination of all probing on the relevant targets. */
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3
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4 /* { dg-do compile } */
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5 /* { dg-options "-O2 -fstack-clash-protection -fdump-rtl-pro_and_epilogue -fno-optimize-sibling-calls --param stack-clash-protection-probe-interval=12 --param stack-clash-protection-guard-size=16" } */
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6 /* { dg-require-effective-target supports_stack_clash_protection } */
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7 /* { dg-skip-if "" { *-*-* } { "-fstack-protector" } { "" } } */
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8
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9
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10 #include "stack-check-6.c"
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11
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12 /* { dg-final { scan-rtl-dump-times "Stack clash inline probes" 0 "pro_and_epilogue" } } */
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13 /* { dg-final { scan-rtl-dump-times "Stack clash probe loop" 0 "pro_and_epilogue" } } */
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14 /* { dg-final { scan-rtl-dump-times "Stack clash residual allocation in prologue" 4 "pro_and_epilogue" } } */
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15 /* { dg-final { scan-rtl-dump-times "Stack clash not noreturn" 4 "pro_and_epilogue" } } */
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16
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17 /* { dg-final { scan-rtl-dump-times "Stack clash no frame pointer needed" 4 "pro_and_epilogue" { target { ! frame_pointer_for_non_leaf } } } } */
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18 /* { dg-final { scan-rtl-dump-times "Stack clash no frame pointer needed" 2 "pro_and_epilogue" { target { frame_pointer_for_non_leaf } } } } */
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19 /* { dg-final { scan-rtl-dump-times "Stack clash frame pointer needed" 2 "pro_and_epilogue" { target { frame_pointer_for_non_leaf } } } } */
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