.p2align support is present in all x86 assemblers on released Darwin systems.
This “fixes” most of the remaining alignment-related fails in i386.exp
tested on x86_64-darwin16, x86_64-linux-gnu,
applied to mainline,
thanks
Iain
gcc/
2019-05-31 Iain Sandoe <i...@sandoe.co.uk>
* config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index 1128428330..46fa329f62 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -223,6 +223,18 @@ extern int darwin_emit_branch_islands;
} \
} while (0)
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ do { \
+ if ((LOG) != 0) { \
+ if ((MAX_SKIP) == 0 || (MAX_SKIP) >= (1 << (LOG)) - 1) \
+ fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ } \
+ } while (0)
+#endif
+
/* Darwin x86 assemblers support the .ident directive. */
#undef TARGET_ASM_OUTPUT_IDENT
--
2.17.1
