diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-6.4/backport/0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-6.4/backport/0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-6.4/backport/0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch b/meta/recipes-devtools/gcc/gcc-6.4/backport/0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch new file mode 100644 index 0000000000..7364a2c36a --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-6.4/backport/0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.patch @@ -0,0 +1,126 @@ +From 3eff2adada2b1667b0e76496fa559e0c248ecd84 Mon Sep 17 00:00:00 2001 +From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Thu, 25 Jan 2018 19:39:01 +0000 +Subject: [PATCH 09/12] Use INVALID_REGNUM in indirect thunk processing + + Backport from mainline + 2018-01-17 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (indirect_thunk_name): Declare regno + as unsigned int. Compare regno with INVALID_REGNUM. + (output_indirect_thunk): Ditto. + (output_indirect_thunk_function): Ditto. + (ix86_code_end): Declare regno as unsigned int. Use INVALID_REGNUM + in the call to output_indirect_thunk_function. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@257067 138bc75d-0d04-0410-961f-82ee72b054a4 + +Upstream-Status: Pending + +Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> + +--- + gcc/config/i386/i386.c | 30 +++++++++++++++--------------- + 1 file changed, 15 insertions(+), 15 deletions(-) + +diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c +index 9c038be..4012657 100644 +--- a/gcc/config/i386/i386.c ++++ b/gcc/config/i386/i386.c +@@ -11087,16 +11087,16 @@ static int indirect_thunks_bnd_used; + /* Fills in the label name that should be used for the indirect thunk. */ + + static void +-indirect_thunk_name (char name[32], int regno, bool need_bnd_p, +- bool ret_p) ++indirect_thunk_name (char name[32], unsigned int regno, ++ bool need_bnd_p, bool ret_p) + { +- if (regno >= 0 && ret_p) ++ if (regno != INVALID_REGNUM && ret_p) + gcc_unreachable (); + + if (USE_HIDDEN_LINKONCE) + { + const char *bnd = need_bnd_p ? "_bnd" : ""; +- if (regno >= 0) ++ if (regno != INVALID_REGNUM) + { + const char *reg_prefix; + if (LEGACY_INT_REGNO_P (regno)) +@@ -11114,7 +11114,7 @@ indirect_thunk_name (char name[32], int regno, bool need_bnd_p, + } + else + { +- if (regno >= 0) ++ if (regno != INVALID_REGNUM) + { + if (need_bnd_p) + ASM_GENERATE_INTERNAL_LABEL (name, "LITBR", regno); +@@ -11166,7 +11166,7 @@ indirect_thunk_name (char name[32], int regno, bool need_bnd_p, + */ + + static void +-output_indirect_thunk (bool need_bnd_p, int regno) ++output_indirect_thunk (bool need_bnd_p, unsigned int regno) + { + char indirectlabel1[32]; + char indirectlabel2[32]; +@@ -11196,7 +11196,7 @@ output_indirect_thunk (bool need_bnd_p, int regno) + + ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, indirectlabel2); + +- if (regno >= 0) ++ if (regno != INVALID_REGNUM) + { + /* MOV. */ + rtx xops[2]; +@@ -11220,12 +11220,12 @@ output_indirect_thunk (bool need_bnd_p, int regno) + } + + /* Output a funtion with a call and return thunk for indirect branch. +- If BND_P is true, the BND prefix is needed. If REGNO != -1, the +- function address is in REGNO. Otherwise, the function address is ++ If BND_P is true, the BND prefix is needed. If REGNO != INVALID_REGNUM, ++ the function address is in REGNO. Otherwise, the function address is + on the top of stack. */ + + static void +-output_indirect_thunk_function (bool need_bnd_p, int regno) ++output_indirect_thunk_function (bool need_bnd_p, unsigned int regno) + { + char name[32]; + tree decl; +@@ -11274,7 +11274,7 @@ output_indirect_thunk_function (bool need_bnd_p, int regno) + ASM_OUTPUT_LABEL (asm_out_file, name); + } + +- if (regno < 0) ++ if (regno == INVALID_REGNUM) + { + /* Create alias for __x86.return_thunk/__x86.return_thunk_bnd. */ + char alias[32]; +@@ -11348,16 +11348,16 @@ static void + ix86_code_end (void) + { + rtx xops[2]; +- int regno; ++ unsigned int regno; + + if (indirect_thunk_needed) +- output_indirect_thunk_function (false, -1); ++ output_indirect_thunk_function (false, INVALID_REGNUM); + if (indirect_thunk_bnd_needed) +- output_indirect_thunk_function (true, -1); ++ output_indirect_thunk_function (true, INVALID_REGNUM); + + for (regno = FIRST_REX_INT_REG; regno <= LAST_REX_INT_REG; regno++) + { +- int i = regno - FIRST_REX_INT_REG + LAST_INT_REG + 1; ++ unsigned int i = regno - FIRST_REX_INT_REG + LAST_INT_REG + 1; + if ((indirect_thunks_used & (1 << i))) + output_indirect_thunk_function (false, regno); + +-- +2.7.4 + |