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invoke.texi (SPARC options): Document -mlra as the default. 

* doc/invoke.texi (SPARC options): Document -mlra as the default.
	* config/sparc/sparc.c (sparc_option_override): Force LRA unless
	-mlra/-mno-lra was passed to the compiler.

From-SVN: r244034
This commit is contained in:
Eric Botcazou 2017-01-03 21:13:49 +00:00 committed by Eric Botcazou
parent 549a66a54d
commit 70a6dbe7e3
3 changed files with 12 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-01-03 Eric Botcazou <ebotcazou@adacore.com>
* doc/invoke.texi (SPARC options): Document -mlra as the default.
* config/sparc/sparc.c (sparc_option_override): Force LRA unless
-mlra/-mno-lra was passed to the compiler.
2017-01-03 James Cowgill <James.Cowgill@imgtec.com>
PR rtl-optimization/65618

4
gcc/config/sparc/sparc.c
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@ -1523,6 +1523,10 @@ sparc_option_override (void)
if (TARGET_ARCH32)
target_flags &= ~MASK_STACK_BIAS;
/* Use LRA instead of reload, unless otherwise instructed. */
if (!(target_flags_explicit & MASK_LRA))
target_flags |= MASK_LRA;
/* Supply a default value for align_functions. */
if (align_functions == 0
&& (sparc_cpu == PROCESSOR_ULTRASPARC

4
gcc/doc/invoke.texi
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@ -23271,8 +23271,8 @@ in 64-bit mode.
@itemx -mno-lra
@opindex mlra
@opindex mno-lra
Enable Local Register Allocation. This is experimental for SPARC, so by
default the compiler uses standard reload (i.e. @option{-mno-lra}).
Enable Local Register Allocation. This is the default for SPARC since GCC 7
so @option{-mno-lra} needs to be passed to get old Reload.
@item -mcpu=@var{cpu_type}
@opindex mcpu