diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0019-2011-03-29-Andreas-Krebbel-Andreas.Krebbel-de.ibm.co.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0019-2011-03-29-Andreas-Krebbel-Andreas.Krebbel-de.ibm.co.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0019-2011-03-29-Andreas-Krebbel-Andreas.Krebbel-de.ibm.co.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0019-2011-03-29-Andreas-Krebbel-Andreas.Krebbel-de.ibm.co.patch new file mode 100644 index 0000000..748bca5 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0019-2011-03-29-Andreas-Krebbel-Andreas.Krebbel-de.ibm.co.patch @@ -0,0 +1,62 @@ +From 6f57329da3c7308ccf6b1740ead898d668ec24f9 Mon Sep 17 00:00:00 2001 +From: krebbel <krebbel@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 29 Mar 2011 11:57:40 +0000 +Subject: [PATCH 019/200] 2011-03-29 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS + for invalid symbolic addresses. + (s390_secondary_reload): Don't use s390_check_symref_alignment for + larl operands. + + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@171658 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 5165e87..c1bb234 100644 +--- a/gcc/config/s390/s390.c ++++ b/gcc/config/s390/s390.c +@@ -3011,14 +3011,20 @@ s390_preferred_reload_class (rtx op, reg_class_t rclass) + it is most likely being used as an address, so + prefer ADDR_REGS. If 'class' is not a superset + of ADDR_REGS, e.g. FP_REGS, reject this reload. */ +- case PLUS: + case LABEL_REF: + case SYMBOL_REF: + case CONST: +- if (reg_class_subset_p (ADDR_REGS, rclass)) ++ if (reg_class_subset_p (ADDR_REGS, rclass) ++ && legitimate_reload_constant_p (op)) + return ADDR_REGS; + else + return NO_REGS; ++ case PLUS: ++ /* load address will be used for this reload. */ ++ if (reg_class_subset_p (ADDR_REGS, rclass)) ++ return ADDR_REGS; ++ else ++ return NO_REGS; + + default: + break; +@@ -3134,12 +3140,16 @@ s390_secondary_reload (bool in_p, rtx x, reg_class_t rclass_i, + + if (TARGET_Z10) + { ++ HOST_WIDE_INT offset; ++ rtx symref; ++ + /* On z10 several optimizer steps may generate larl operands with + an odd addend. */ + if (in_p +- && s390_symref_operand_p (x, NULL, NULL) ++ && s390_symref_operand_p (x, &symref, &offset) + && mode == Pmode +- && !s390_check_symref_alignment (x, 2)) ++ && !SYMBOL_REF_ALIGN1_P (symref) ++ && (offset & 1) == 1) + sri->icode = ((mode == DImode) ? CODE_FOR_reloaddi_larl_odd_addend_z10 + : CODE_FOR_reloadsi_larl_odd_addend_z10); + +-- +1.7.0.4 + |
