Hi,
This patch (diff-trunk-missing) backports some LE pieces that were found
not to have been backported from trunk to the IBM 4.8 branch until
relatively recently.
Thanks,
Bill
2014-03-19 Bill Schmidt
Back port from trunk
2013-04-25 Alan Modra
PR target/57052
* config/rs6000/rs6000.md (rotlsi3_internal7): Rename to
rotlsi3_internal7le and condition on !BYTES_BIG_ENDIAN.
(rotlsi3_internal8be): New BYTES_BIG_ENDIAN insn.
Repeat for many other rotate/shift and mask patterns using subregs.
Name lshiftrt insns.
(ashrdisi3_noppc64): Rename to ashrdisi3_noppc64be and condition
on WORDS_BIG_ENDIAN.
2013-06-07 Alan Modra
* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
override user -mfp-in-toc.
(offsettable_ok_by_alignment): Consider just the current access
rather than the whole object, unless BLKmode. Handle
CONSTANT_POOL_ADDRESS_P constants that lack a decl too.
(use_toc_relative_ref): Allow CONSTANT_POOL_ADDRESS_P constants
for -mcmodel=medium.
* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't
override user -mfp-in-toc or -msum-in-toc. Default to
-mno-fp-in-toc for -mcmodel=medium.
2013-06-18 Alan Modra
* config/rs6000/rs6000.h (enum data_align): New.
(LOCAL_ALIGNMENT, DATA_ALIGNMENT): Use rs6000_data_alignment.
(DATA_ABI_ALIGNMENT): Define.
(CONSTANT_ALIGNMENT): Correct comment.
* config/rs6000/rs6000-protos.h (rs6000_data_alignment): Declare.
* config/rs6000/rs6000.c (rs6000_data_alignment): New function.
2013-07-11 Ulrich Weigand
* config/rs6000/rs6000.md (""*tls_gd_low"):
Require GOT register as additional operand in UNSPEC.
("*tls_ld_low"): Likewise.
("*tls_got_dtprel_low"): Likewise.
("*tls_got_tprel_low"): Likewise.
("*tls_gd"): Update splitter.
("*tls_ld"): Likewise.
("tls_got_dtprel_"): Likewise.
("tls_got_tprel_"): Likewise.
2014-01-23 Pat Haugen
* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
force flag_ira_loop_pressure if set via command line.
2014-02-06 Alan Modra
PR target/60032
* config/rs6000/rs6000.c (rs6000_secondary_memory_needed_mode): Only
change SDmode to DDmode when lra_in_progress.
Index: gcc-4_8-test/gcc/config/rs6000/linux64.h
===
--- gcc-4_8-test.orig/gcc/config/rs6000/linux64.h
+++ gcc-4_8-test/gcc/config/rs6000/linux64.h
@@ -149,8 +149,11 @@ extern int dot_symbols;
SET_CMODEL (CMODEL_MEDIUM); \
if (rs6000_current_cmodel != CMODEL_SMALL)\
{ \
- TARGET_NO_FP_IN_TOC = 0; \
- TARGET_NO_SUM_IN_TOC = 0; \
+ if (!global_options_set.x_TARGET_NO_FP_IN_TOC) \
+ TARGET_NO_FP_IN_TOC \
+ = rs6000_current_cmodel == CMODEL_MEDIUM; \
+ if (!global_options_set.x_TARGET_NO_SUM_IN_TOC) \
+ TARGET_NO_SUM_IN_TOC = 0; \
} \
} \
} \
Index: gcc-4_8-test/gcc/config/rs6000/rs6000-protos.h
===
--- gcc-4_8-test.orig/gcc/config/rs6000/rs6000-protos.h
+++ gcc-4_8-test/gcc/config/rs6000/rs6000-protos.h
@@ -152,6 +152,7 @@ extern void rs6000_split_logical (rtx []
#endif /* RTX_CODE */
#ifdef TREE_CODE
+extern unsigned int rs6000_data_alignment (tree, unsigned int, enum
data_align);
extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
unsigned int);
extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
Index: gcc-4_8-test/gcc/config/rs6000/rs6000.c
===
--- gcc-4_8-test.orig/gcc/config/rs6000/rs6000.c
+++ gcc-4_8-test/gcc/config/rs6000/rs6000.c
@@ -3031,7 +3031,8 @@ rs6000_option_override_internal (bool gl
calculation works better for RTL loop invariant motion on targets
with enough (>= 32) registers. It is an expensive optimization.
So it is on only for peak performance. */
- if (optimize >= 3 && global_init_p)
+ if (optimize >= 3 && global_init_p
+ && !global_options_set.x_flag_ira_loop_pressure)
flag_ira_loop_pressure = 1;
/* Set the pointer size. */
@@ -3520,7 +3521,8 @@ rs6000_option_override_internal (bool gl
/* Place FP constants i
