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sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns to 2 if it's already non-zero.

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* config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
	to 2 if it's already non-zero.
	(OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
	is set and warn about it if flag_schedule_insns is 1.

From-SVN: r105496
This commit is contained in:
Kaz Kojima 2005-10-17 12:42:51 +00:00
parent a95c63d876
commit e13602df83
2 changed files with 22 additions and 0 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
to 2 if it's already non-zero.
(OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
is set and warn about it if flag_schedule_insns is 1.
2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
* config/crx/crx.md: Compare-and-branch instructions need to

15
gcc/config/sh/sh.h
View File

@ -486,6 +486,10 @@ do { \
flag_finite_math_only. We set it to 2 here so we know if the user \
explicitly requested this to be on or off. */ \
flag_finite_math_only = 2; \
/* If flag_schedule_insns is 1, we set it to 2 here so we know if \
the user explicitly requested this to be on or off. */ \
if (flag_schedule_insns > 0) \
flag_schedule_insns = 2; \
} while (0)
#define ASSEMBLER_DIALECT assembler_dialect
@ -661,6 +665,17 @@ do { \
SH3 and lower as they give spill failures for R0. */ \
if (!TARGET_HARD_SH4) \
flag_schedule_insns = 0; \
/* ??? Current exception handling places basic block boundaries \
after call_insns. It causes the high pressure on R0 and gives \
spill failures for R0 in reload. See PR 22553 and the thread \
on gcc-patches \
<http://gcc.gnu.org/ml/gcc-patches/2005-10/msg00816.html>. */ \
else if (flag_exceptions) \
{ \
if (flag_schedule_insns == 1) \
warning (0, "ignoring -fschedule-insns because of exception handling bug"); \
flag_schedule_insns = 0; \
} \
} \
\
if (align_loops == 0) \