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29 lines
978 B
29 lines
978 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_ARM_COMPILER_H |
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#define __ASM_ARM_COMPILER_H |
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/* |
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* This is used to ensure the compiler did actually allocate the register we |
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* asked it for some inline assembly sequences. Apparently we can't trust |
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* the compiler from one version to another so a bit of paranoia won't hurt. |
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* This string is meant to be concatenated with the inline asm string and |
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* will cause compilation to stop on mismatch. |
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* (for details, see gcc PR 15089) |
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* For compatibility with clang, we have to specifically take the equivalence |
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* of 'r11' <-> 'fp' and 'r12' <-> 'ip' into account as well. |
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*/ |
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#define __asmeq(x, y) \ |
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".ifnc " x "," y "; " \ |
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".ifnc " x y ",fpr11; " \ |
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".ifnc " x y ",r11fp; " \ |
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".ifnc " x y ",ipr12; " \ |
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".ifnc " x y ",r12ip; " \ |
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".err; " \ |
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".endif; " \ |
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".endif; " \ |
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".endif; " \ |
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".endif; " \ |
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".endif\n\t" |
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#endif /* __ASM_ARM_COMPILER_H */
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