diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99421.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99421.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99421.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99421.patch deleted file mode 100644 index 3a45ee5026..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99421.patch +++ /dev/null @@ -1,94 +0,0 @@ -2010-10-20 Nathan Froyd <froydnj@codesourcery.com> - - Issue #9781 - - Backport from mainline: - - gcc/ - 2010-10-20 Nathan Froyd <froydnj@codesourcery.com> - - * ifcvt.c (noce_emit_cmove): If both of the values are SUBREGs, try - emitting the conditional move in the inner mode of the SUBREG. - - -=== modified file 'gcc/ifcvt.c' ---- old/gcc/ifcvt.c 2010-10-15 10:01:07 +0000 -+++ new/gcc/ifcvt.c 2010-11-04 12:11:15 +0000 -@@ -1338,6 +1338,9 @@ - noce_emit_cmove (struct noce_if_info *if_info, rtx x, enum rtx_code code, - rtx cmp_a, rtx cmp_b, rtx vfalse, rtx vtrue) - { -+ rtx target; -+ int unsignedp; -+ - /* If earliest == jump, try to build the cmove insn directly. - This is helpful when combine has created some complex condition - (like for alpha's cmovlbs) that we can't hope to regenerate -@@ -1372,10 +1375,62 @@ - return NULL_RTX; - - #if HAVE_conditional_move -- return emit_conditional_move (x, code, cmp_a, cmp_b, VOIDmode, -- vtrue, vfalse, GET_MODE (x), -- (code == LTU || code == GEU -- || code == LEU || code == GTU)); -+ unsignedp = (code == LTU || code == GEU -+ || code == LEU || code == GTU); -+ -+ target = emit_conditional_move (x, code, cmp_a, cmp_b, VOIDmode, -+ vtrue, vfalse, GET_MODE (x), -+ unsignedp); -+ if (target) -+ return target; -+ -+ /* We might be faced with a situation like: -+ -+ x = (reg:M TARGET) -+ vtrue = (subreg:M (reg:N VTRUE) BYTE) -+ vfalse = (subreg:M (reg:N VFALSE) BYTE) -+ -+ We can't do a conditional move in mode M, but it's possible that we -+ could do a conditional move in mode N instead and take a subreg of -+ the result. -+ -+ If we can't create new pseudos, though, don't bother. */ -+ if (reload_completed) -+ return NULL_RTX; -+ -+ if (GET_CODE (vtrue) == SUBREG && GET_CODE (vfalse) == SUBREG) -+ { -+ rtx reg_vtrue = SUBREG_REG (vtrue); -+ rtx reg_vfalse = SUBREG_REG (vfalse); -+ unsigned int byte_vtrue = SUBREG_BYTE (vtrue); -+ unsigned int byte_vfalse = SUBREG_BYTE (vfalse); -+ rtx promoted_target; -+ -+ if (GET_MODE (reg_vtrue) != GET_MODE (reg_vfalse) -+ || byte_vtrue != byte_vfalse -+ || (SUBREG_PROMOTED_VAR_P (vtrue) -+ != SUBREG_PROMOTED_VAR_P (vfalse)) -+ || (SUBREG_PROMOTED_UNSIGNED_P (vtrue) -+ != SUBREG_PROMOTED_UNSIGNED_P (vfalse))) -+ return NULL_RTX; -+ -+ promoted_target = gen_reg_rtx (GET_MODE (reg_vtrue)); -+ -+ target = emit_conditional_move (promoted_target, code, cmp_a, cmp_b, -+ VOIDmode, reg_vtrue, reg_vfalse, -+ GET_MODE (reg_vtrue), unsignedp); -+ /* Nope, couldn't do it in that mode either. */ -+ if (!target) -+ return NULL_RTX; -+ -+ target = gen_rtx_SUBREG (GET_MODE (vtrue), promoted_target, byte_vtrue); -+ SUBREG_PROMOTED_VAR_P (target) = SUBREG_PROMOTED_VAR_P (vtrue); -+ SUBREG_PROMOTED_UNSIGNED_SET (target, SUBREG_PROMOTED_UNSIGNED_P (vtrue)); -+ emit_move_insn (x, target); -+ return x; -+ } -+ else -+ return NULL_RTX; - #else - /* We'll never get here, as noce_process_if_block doesn't call the - functions involved. Ifdef code, however, should be discouraged - |