commit: f65bd49e153e44a12a1462ec76be031e71bfa0c3 Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Wed Aug 20 01:16:33 2025 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Wed Aug 20 01:16:33 2025 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=f65bd49e
16.0.0: drop patch merged upstream Signed-off-by: Sam James <sam <AT> gentoo.org> ...he-TLS-call-before-all-FLAGS_REG-setting-.patch | 620 --------------------- 16.0.0/gentoo/README.history | 4 + 2 files changed, 4 insertions(+), 620 deletions(-) diff --git a/16.0.0/gentoo/86_all_PR121572_x86-Place-the-TLS-call-before-all-FLAGS_REG-setting-.patch b/16.0.0/gentoo/86_all_PR121572_x86-Place-the-TLS-call-before-all-FLAGS_REG-setting-.patch deleted file mode 100644 index 9f7908a..0000000 --- a/16.0.0/gentoo/86_all_PR121572_x86-Place-the-TLS-call-before-all-FLAGS_REG-setting-.patch +++ /dev/null @@ -1,620 +0,0 @@ -From 43a0428a61f17969c8e0bf4ede1935b5655100c2 Mon Sep 17 00:00:00 2001 -From: "H.J. Lu" <[email protected]> -Date: Sat, 16 Aug 2025 14:04:33 -0700 -Subject: [PATCH v4] x86: Place the TLS call before all register setting BBs - -We can't place a TLS call before a conditional jump in a basic block like - -(code_label 13 11 14 4 2 (nil) [1 uses]) -(note 14 13 16 4 [bb 4] NOTE_INSN_BASIC_BLOCK) -(jump_insn 16 14 17 4 (set (pc) - (if_then_else (le (reg:CCNO 17 flags) - (const_int 0 [0])) - (label_ref 27) - (pc))) "x.c":10:21 discrim 1 1462 {*jcc} - (expr_list:REG_DEAD (reg:CCNO 17 flags) - (int_list:REG_BR_PROB 628353713 (nil))) - -> 27) - -since the TLS call will clobber flags register nor place a TLS call in a -basic block if any live caller-saved registers aren't dead at the end of -the basic block: - -;; live in 6 [bp] 7 [sp] 16 [argp] 17 [flags] 19 [frame] 104 -;; live gen 0 [ax] 102 106 108 116 117 118 120 -;; live kill 5 [di] - -Instead, we should place such call before all register setting basic -blocks which dominate the current basic block. - -Keep track the replaced GNU and GNU2 TLS instructions. Use these info to -place the __tls_get_addr call and mark FLAGS register as dead. - -gcc/ - - PR target/121572 - * config/i386/i386-features.cc (replace_tls_call): Add a bitmap - argument and put the updated TLS instruction in the bitmap. - (ix86_get_dominator_for_reg): New. - (ix86_check_flags_reg): Likewise. - (ix86_emit_tls_call): Likewise. - (ix86_place_single_tls_call): Add 2 bitmap arguments for updated - GNU and GNU2 TLS instructions. Call ix86_emit_tls_call to emit - TLS instruction. Correct debug dump for before instruction. - -gcc/testsuite/ - - PR target/121572 - * gcc.target/i386/pr121572-1a.c: New test. - * gcc.target/i386/pr121572-1b.c: Likewise. - * gcc.target/i386/pr121572-2a.c: Likewise. - * gcc.target/i386/pr121572-2b.c: Likewise. - -Signed-off-by: H.J. Lu <[email protected]> ---- - gcc/config/i386/i386-features.cc | 334 +++++++++++++------- - gcc/testsuite/gcc.target/i386/pr121572-1a.c | 41 +++ - gcc/testsuite/gcc.target/i386/pr121572-1b.c | 18 ++ - gcc/testsuite/gcc.target/i386/pr121572-2a.c | 39 +++ - gcc/testsuite/gcc.target/i386/pr121572-2b.c | 6 + - 5 files changed, 332 insertions(+), 106 deletions(-) - create mode 100644 gcc/testsuite/gcc.target/i386/pr121572-1a.c - create mode 100644 gcc/testsuite/gcc.target/i386/pr121572-1b.c - create mode 100644 gcc/testsuite/gcc.target/i386/pr121572-2a.c - create mode 100644 gcc/testsuite/gcc.target/i386/pr121572-2b.c - -diff --git a/gcc/config/i386/i386-features.cc b/gcc/config/i386/i386-features.cc -index f0bdc5c1880..7869ee22b67 100644 ---- a/gcc/config/i386/i386-features.cc -+++ b/gcc/config/i386/i386-features.cc -@@ -3684,10 +3684,12 @@ ix86_broadcast_inner (rtx op, machine_mode mode, - return op; - } - --/* Replace CALL instruction in TLS_CALL_INSNS with SET from SRC. */ -+/* Replace CALL instruction in TLS_CALL_INSNS with SET from SRC and -+ put the updated instruction in UPDATED_TLS_INSNS. */ - - static void --replace_tls_call (rtx src, auto_bitmap &tls_call_insns) -+replace_tls_call (rtx src, auto_bitmap &tls_call_insns, -+ auto_bitmap &updated_tls_insns) - { - bitmap_iterator bi; - unsigned int id; -@@ -3716,6 +3718,9 @@ replace_tls_call (rtx src, auto_bitmap &tls_call_insns) - if (recog_memoized (set_insn) < 0) - gcc_unreachable (); - -+ /* Put SET_INSN in UPDATED_TLS_INSNS. */ -+ bitmap_set_bit (updated_tls_insns, INSN_UID (set_insn)); -+ - if (dump_file) - { - fprintf (dump_file, "\nReplace:\n\n"); -@@ -3732,15 +3737,216 @@ replace_tls_call (rtx src, auto_bitmap &tls_call_insns) - } - } - -+/* Return the basic block which dominates all basic blocks which set -+ hard register REGNO used in basic block BB. */ -+ -+static basic_block -+ix86_get_dominator_for_reg (unsigned int regno, basic_block bb) -+{ -+ basic_block set_bb; -+ auto_bitmap set_bbs; -+ -+ /* Get all BBs which set REGNO and dominate the current BB from all -+ DEFs of REGNO. */ -+ for (df_ref def = DF_REG_DEF_CHAIN (regno); -+ def; -+ def = DF_REF_NEXT_REG (def)) -+ if (!DF_REF_IS_ARTIFICIAL (def) -+ && !DF_REF_FLAGS_IS_SET (def, DF_REF_MAY_CLOBBER) -+ && !DF_REF_FLAGS_IS_SET (def, DF_REF_MUST_CLOBBER)) -+ { -+ set_bb = DF_REF_BB (def); -+ if (dominated_by_p (CDI_DOMINATORS, bb, set_bb)) -+ bitmap_set_bit (set_bbs, set_bb->index); -+ } -+ -+ bb = nearest_common_dominator_for_set (CDI_DOMINATORS, set_bbs); -+ return bb; -+} -+ -+/* Mark FLAGS register as live in DATA, a bitmap of live caller-saved -+ registers, if DEST is FLAGS register. */ -+ -+static void -+ix86_check_flags_reg (rtx dest, const_rtx, void *data) -+{ -+ auto_bitmap *live_caller_saved_regs = (auto_bitmap *) data; -+ if (REG_P (dest) && REGNO (dest) == FLAGS_REG) -+ bitmap_set_bit (*live_caller_saved_regs, FLAGS_REG); -+} -+ -+/* Emit a TLS_SET instruction of KIND in basic block BB. Store the -+ insertion point in *BEFORE_P for emit_insn_before or in *AFTER_P -+ for emit_insn_after. UPDATED_GNU_TLS_INSNS contains instructions -+ which replace the GNU TLS instructions. UPDATED_GNU2_TLS_INSNS -+ contains instructions which replace the GNU2 TLS instructions. */ -+ -+static rtx_insn * -+ix86_emit_tls_call (rtx tls_set, x86_cse_kind kind, basic_block bb, -+ rtx_insn **before_p, rtx_insn **after_p, -+ auto_bitmap &updated_gnu_tls_insns, -+ auto_bitmap &updated_gnu2_tls_insns) -+{ -+ rtx_insn *tls_insn; -+ -+ do -+ { -+ rtx_insn *insn = BB_HEAD (bb); -+ while (insn && !NONDEBUG_INSN_P (insn)) -+ { -+ if (insn == BB_END (bb)) -+ break; -+ insn = NEXT_INSN (insn); -+ } -+ -+ /* TLS_GD and TLS_LD_BASE instructions are normal functions which -+ clobber caller-saved registers. TLSDESC instructions only -+ clobber FLAGS. If any registers clobbered by TLS instructions -+ are live in this basic block, we must insert TLS instructions -+ after all live registers clobbered are dead. */ -+ -+ auto_bitmap live_caller_saved_regs; -+ bitmap in = df_live ? DF_LIVE_IN (bb) : DF_LR_IN (bb); -+ -+ if (bitmap_bit_p (in, FLAGS_REG)) -+ bitmap_set_bit (live_caller_saved_regs, FLAGS_REG); -+ -+ unsigned int i; -+ -+ /* Get all live caller-saved registers for TLS_GD and TLS_LD_BASE -+ instructions. */ -+ if (kind != X86_CSE_TLSDESC) -+ for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) -+ if (call_used_regs[i] -+ && !fixed_regs[i] -+ && bitmap_bit_p (in, i)) -+ bitmap_set_bit (live_caller_saved_regs, i); -+ -+ if (bitmap_empty_p (live_caller_saved_regs)) -+ { -+ if (insn == BB_HEAD (bb) || insn == BB_END (bb)) -+ { -+ *before_p = insn; -+ tls_insn = emit_insn_before (tls_set, insn); -+ } -+ else -+ { -+ insn = PREV_INSN (insn); -+ *after_p = insn; -+ tls_insn = emit_insn_after (tls_set, insn); -+ } -+ return tls_insn; -+ } -+ -+ bool repeat = false; -+ -+ /* Search for REG_DEAD notes in this basic block. */ -+ FOR_BB_INSNS (bb, insn) -+ { -+ if (!NONDEBUG_INSN_P (insn)) -+ continue; -+ -+ /* NB: Conditional jump is the only instruction which reads -+ flags register and changes control flow. We can never -+ place the TLS call after unconditional jump. */ -+ if (JUMP_P (insn)) -+ { -+ /* This must be a conditional jump. */ -+ rtx label = JUMP_LABEL (insn); -+ if (label == nullptr -+ || ANY_RETURN_P (label) -+ || !(LABEL_P (label) || SYMBOL_REF_P (label))) -+ gcc_unreachable (); -+ -+ /* Place the call before all FLAGS_REG setting BBs since -+ we can't place a call before nor after a conditional -+ jump. */ -+ bb = ix86_get_dominator_for_reg (FLAGS_REG, bb); -+ -+ /* Start over again. */ -+ repeat = true; -+ break; -+ } -+ -+ if (bitmap_bit_p (updated_gnu_tls_insns, INSN_UID (insn))) -+ { -+ /* Insert the __tls_get_addr call before INSN which -+ replaces a __tls_get_addr call. */ -+ *before_p = insn; -+ tls_insn = emit_insn_before (tls_set, insn); -+ return tls_insn; -+ } -+ -+ if (bitmap_bit_p (updated_gnu2_tls_insns, INSN_UID (insn))) -+ { -+ /* Mark FLAGS register as dead since FLAGS register -+ would be clobbered by the GNU2 TLS instruction. */ -+ bitmap_clear_bit (live_caller_saved_regs, FLAGS_REG); -+ continue; -+ } -+ -+ /* Check if FLAGS register is live. */ -+ note_stores (insn, ix86_check_flags_reg, -+ &live_caller_saved_regs); -+ -+ rtx link; -+ for (link = REG_NOTES (insn); link; link = XEXP (link, 1)) -+ if (REG_NOTE_KIND (link) == REG_DEAD -+ && REG_P (XEXP (link, 0))) -+ { -+ /* Mark the live caller-saved register as dead. */ -+ for (i = REGNO (XEXP (link, 0)); -+ i < END_REGNO (XEXP (link, 0)); -+ i++) -+ if (i < FIRST_PSEUDO_REGISTER) -+ bitmap_clear_bit (live_caller_saved_regs, i); -+ -+ if (bitmap_empty_p (live_caller_saved_regs)) -+ { -+ *after_p = insn; -+ tls_insn = emit_insn_after (tls_set, insn); -+ return tls_insn; -+ } -+ } -+ } -+ -+ /* NB: Start over again for conditional jump. */ -+ if (repeat) -+ continue; -+ -+ gcc_assert (!bitmap_empty_p (live_caller_saved_regs)); -+ -+ /* If any live caller-saved registers aren't dead at the end of -+ this basic block, get the basic block which dominates all -+ basic blocks which set the remaining live registers. */ -+ auto_bitmap set_bbs; -+ bitmap_iterator bi; -+ unsigned int id; -+ EXECUTE_IF_SET_IN_BITMAP (live_caller_saved_regs, 0, id, bi) -+ { -+ basic_block set_bb = ix86_get_dominator_for_reg (id, bb); -+ bitmap_set_bit (set_bbs, set_bb->index); -+ } -+ bb = nearest_common_dominator_for_set (CDI_DOMINATORS, set_bbs); -+ } -+ while (true); -+} -+ - /* Generate a TLS call of KIND with VAL and copy the call result to DEST, - at entry of the nearest dominator for basic block map BBS, which is in - the fake loop that contains the whole function, so that there is only -- a single TLS CALL of KIND with VAL in the whole function. If -- TLSDESC_SET isn't nullptr, insert it before the TLS call. */ -+ a single TLS CALL of KIND with VAL in the whole function. -+ UPDATED_GNU_TLS_INSNS contains instructions which replace the GNU TLS -+ instructions. UPDATED_GNU2_TLS_INSNS contains instructions which -+ replace the GNU2 TLS instructions. If TLSDESC_SET isn't nullptr, -+ insert it before the TLS call. */ - - static void - ix86_place_single_tls_call (rtx dest, rtx val, x86_cse_kind kind, -- bitmap bbs, rtx tlsdesc_set = nullptr) -+ auto_bitmap &bbs, -+ auto_bitmap &updated_gnu_tls_insns, -+ auto_bitmap &updated_gnu2_tls_insns, -+ rtx tlsdesc_set = nullptr) - { - basic_block bb = nearest_common_dominator_for_set (CDI_DOMINATORS, bbs); - while (bb->loop_father->latch -@@ -3748,17 +3954,6 @@ ix86_place_single_tls_call (rtx dest, rtx val, x86_cse_kind kind, - bb = get_immediate_dominator (CDI_DOMINATORS, - bb->loop_father->header); - -- rtx_insn *insn = BB_HEAD (bb); -- while (insn && !NONDEBUG_INSN_P (insn)) -- { -- if (insn == BB_END (bb)) -- { -- insn = NULL; -- break; -- } -- insn = NEXT_INSN (insn); -- } -- - rtx rax = nullptr, rdi; - rtx eqv = nullptr; - rtx caddr; -@@ -3766,7 +3961,6 @@ ix86_place_single_tls_call (rtx dest, rtx val, x86_cse_kind kind, - rtx clob; - rtx symbol; - rtx tls; -- rtx_insn *tls_insn; - - switch (kind) - { -@@ -3808,94 +4002,13 @@ ix86_place_single_tls_call (rtx dest, rtx val, x86_cse_kind kind, - gcc_unreachable (); - } - -+ /* Emit the TLS CALL insn. */ - rtx_insn *before = nullptr; - rtx_insn *after = nullptr; -- if (insn == BB_HEAD (bb)) -- before = insn; -- else -- after = insn ? PREV_INSN (insn) : BB_END (bb); -- -- /* TLS_GD and TLS_LD_BASE instructions are normal functions which -- clobber caller-saved registers. TLSDESC instructions only clobber -- FLAGS. If any registers clobbered by TLS instructions are live -- in this basic block, we must insert TLS instructions after all live -- registers clobbered are dead. */ -- -- auto_bitmap live_caller_saved_regs; -- bitmap in = df_live ? DF_LIVE_IN (bb) : DF_LR_IN (bb); -- -- bool flags_live_p = bitmap_bit_p (in, FLAGS_REG); -- -- unsigned int i; -- -- /* Get all live caller-saved registers for TLS_GD and TLS_LD_BASE -- instructions. */ -- if (kind != X86_CSE_TLSDESC) -- for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) -- if (call_used_regs[i] -- && !fixed_regs[i] -- && bitmap_bit_p (in, i)) -- bitmap_set_bit (live_caller_saved_regs, i); -- -- if (!bitmap_empty_p (live_caller_saved_regs)) -- { -- /* Search for REG_DEAD notes in this basic block. */ -- FOR_BB_INSNS (bb, insn) -- { -- if (!NONDEBUG_INSN_P (insn)) -- continue; -- -- /* Check if FLAGS register is live. */ -- set = single_set (insn); -- if (set) -- { -- rtx dest = SET_DEST (set); -- if (REG_P (dest) && REGNO (dest) == FLAGS_REG) -- flags_live_p = true; -- } -- -- rtx link; -- for (link = REG_NOTES (insn); link; link = XEXP (link, 1)) -- if (REG_NOTE_KIND (link) == REG_DEAD -- && REG_P (XEXP (link, 0))) -- { -- /* Mark the live caller-saved register as dead. */ -- for (i = REGNO (XEXP (link, 0)); -- i < END_REGNO (XEXP (link, 0)); -- i++) -- bitmap_clear_bit (live_caller_saved_regs, i); -- -- /* Check if FLAGS register is dead. */ -- if (REGNO (XEXP (link, 0)) == FLAGS_REG) -- flags_live_p = false; -- -- if (bitmap_empty_p (live_caller_saved_regs)) -- { -- /* All live caller-saved registers are dead after -- this instruction. Since TLS instructions -- clobber FLAGS register, it must be dead where -- the TLS will be inserted after. */ -- if (flags_live_p) -- gcc_unreachable (); -- after = insn; -- goto insert_after; -- } -- } -- } -- -- /* All live caller-saved registers should be dead at the end -- of this basic block. */ -- gcc_unreachable (); -- } -- -- /* Emit the TLS CALL insn. */ -- if (after) -- { --insert_after: -- tls_insn = emit_insn_after (tls, after); -- } -- else -- tls_insn = emit_insn_before (tls, before); -+ rtx_insn *tls_insn = ix86_emit_tls_call (tls, kind, bb, &before, -+ &after, -+ updated_gnu_tls_insns, -+ updated_gnu2_tls_insns); - - rtx_insn *tlsdesc_insn = nullptr; - if (tlsdesc_set) -@@ -3936,7 +4049,7 @@ insert_after: - print_rtl_single (dump_file, tlsdesc_insn); - print_rtl_single (dump_file, tls_insn); - fprintf (dump_file, "\nbefore:\n\n"); -- print_rtl_single (dump_file, insn); -+ print_rtl_single (dump_file, before); - fprintf (dump_file, "\n"); - } - } -@@ -4213,6 +4326,8 @@ pass_x86_cse::x86_cse (void) - basic_block bb; - rtx_insn *insn; - unsigned int i; -+ auto_bitmap updated_gnu_tls_insns; -+ auto_bitmap updated_gnu2_tls_insns; - - df_set_flags (DF_DEFER_INSN_RESCAN); - -@@ -4333,7 +4448,10 @@ pass_x86_cse::x86_cse (void) - case X86_CSE_TLS_LD_BASE: - case X86_CSE_TLSDESC: - broadcast_reg = gen_reg_rtx (load->mode); -- replace_tls_call (broadcast_reg, load->insns); -+ replace_tls_call (broadcast_reg, load->insns, -+ (load->kind == X86_CSE_TLSDESC -+ ? updated_gnu2_tls_insns -+ : updated_gnu_tls_insns)); - load->broadcast_reg = broadcast_reg; - break; - -@@ -4399,6 +4517,8 @@ pass_x86_cse::x86_cse (void) - load->val, - load->kind, - load->bbs, -+ updated_gnu_tls_insns, -+ updated_gnu2_tls_insns, - PATTERN (load->def_insn)); - break; - case X86_CSE_VEC_DUP: -@@ -4442,7 +4562,9 @@ pass_x86_cse::x86_cse (void) - ix86_place_single_tls_call (load->broadcast_reg, - load->val, - load->kind, -- load->bbs); -+ load->bbs, -+ updated_gnu_tls_insns, -+ updated_gnu2_tls_insns); - break; - case X86_CSE_CONST0_VECTOR: - case X86_CSE_CONSTM1_VECTOR: -diff --git a/gcc/testsuite/gcc.target/i386/pr121572-1a.c b/gcc/testsuite/gcc.target/i386/pr121572-1a.c -new file mode 100644 -index 00000000000..270d8ff5cb6 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/i386/pr121572-1a.c -@@ -0,0 +1,41 @@ -+/* { dg-do compile { target *-*-linux* } } */ -+/* { dg-options "-O0 -fpic -fplt -mtls-dialect=gnu" } */ -+/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */ -+/* { dg-final { check-function-bodies "**" "" "" { target { ! ia32 } } {^\t?\.} } } */ -+ -+/* -+**bug: -+**.LFB[0-9]+: -+**... -+** leaq tv_cache@tlsld\(%rip\), %rdi -+** call __tls_get_addr@PLT -+** movl \$-1, %edi -+** mov[l|q] %[e|r]ax, %[e|r]bx -+** call val@PLT -+**... -+*/ -+ -+extern __thread int tv_cache __attribute__ ((visibility ("hidden"))); -+extern void use_cache (int); -+extern int val (int v); -+ -+__attribute__ ((optimize (2))) -+void -+bug (void) -+{ -+ int compared = val (-1); -+ -+ if (compared == 0 || (compared > 0 && val (2) == 0)) -+ { -+ __builtin_trap (); -+ } -+ -+ if (compared < 0) -+ { -+ use_cache (tv_cache); -+ return; -+ } -+ -+ use_cache (tv_cache); -+ __builtin_trap (); -+} -diff --git a/gcc/testsuite/gcc.target/i386/pr121572-1b.c b/gcc/testsuite/gcc.target/i386/pr121572-1b.c -new file mode 100644 -index 00000000000..8a6089109f5 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/i386/pr121572-1b.c -@@ -0,0 +1,18 @@ -+/* { dg-do compile { target *-*-linux* } } */ -+/* { dg-options "-O0 -fpic -fplt -mtls-dialect=gnu2" } */ -+/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */ -+/* { dg-final { check-function-bodies "**" "" "" { target { ! ia32 } } {^\t?\.} } } */ -+ -+/* -+**bug: -+**.LFB[0-9]+: -+**... -+** lea[l|q] tv_cache@TLSDESC\(%rip\), %[e|r]ax -+** movl \$-1, %edi -+** call \*tv_cache@TLSCALL\(%[e|r]ax\) -+** mov[l|q] %[e|r]ax, %[e|r]bx -+** call val@PLT -+**... -+*/ -+ -+#include "pr121572-1a.c" -diff --git a/gcc/testsuite/gcc.target/i386/pr121572-2a.c b/gcc/testsuite/gcc.target/i386/pr121572-2a.c -new file mode 100644 -index 00000000000..38b254657d3 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/i386/pr121572-2a.c -@@ -0,0 +1,39 @@ -+/* { dg-do compile { target *-*-linux* } } */ -+/* { dg-options "-O2 -fpic -fplt -mtls-dialect=gnu" } */ -+ -+typedef enum -+{ -+ MPFR_RNDN -+} mpfr_rnd_t; -+typedef int mpfr_t[1]; -+long __gmpfr_emin, mpfr_agm_expo_0; -+_Thread_local long __gmpfr_emax; -+int mpfr_agm_compare, mpfr_agm___trans_tmp_1; -+mpfr_t mpfr_agm_u; -+void mpfr_mul (int *, int, int, mpfr_rnd_t); -+int -+mpfr_agm (int op1) -+{ -+ int op2 = 0; -+ if (__builtin_expect (mpfr_agm_compare == 0, 0)) -+ return 0; -+ if (mpfr_agm_compare > 0) -+ { -+ int t = op1; -+ op2 = t; -+ } -+ mpfr_agm_expo_0 = __gmpfr_emax; -+ for (;;) -+ { -+ retry: -+ mpfr_mul (mpfr_agm_u, op1, op2, MPFR_RNDN); -+ if (0) -+ goto retry; -+ if (__builtin_expect (mpfr_agm___trans_tmp_1, 1)) -+ break; -+ } -+ __gmpfr_emin = __gmpfr_emax; -+ return 0; -+} -+ -+/* { dg-final { scan-assembler-times "call\[ \t\]__tls_get_addr@PLT" 1 { target { ! ia32 } } } } */ -diff --git a/gcc/testsuite/gcc.target/i386/pr121572-2b.c b/gcc/testsuite/gcc.target/i386/pr121572-2b.c -new file mode 100644 -index 00000000000..33d70024324 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/i386/pr121572-2b.c -@@ -0,0 +1,6 @@ -+/* { dg-do compile { target *-*-linux* } } */ -+/* { dg-options "-O2 -fpic -fplt -mtls-dialect=gnu2" } */ -+ -+#include "pr121572-2a.c" -+ -+/* { dg-final { scan-assembler-times "call\[ \t\]\\*__gmpfr_emax@TLSCALL\\(%(?:r|e)ax\\)" 1 { target { ! ia32 } } } } */ --- -2.50.1 diff --git a/16.0.0/gentoo/README.history b/16.0.0/gentoo/README.history index a64c662..45143c9 100644 --- a/16.0.0/gentoo/README.history +++ b/16.0.0/gentoo/README.history @@ -1,3 +1,7 @@ +12 ???? + + - 86_all_PR121572_x86-Place-the-TLS-call-before-all-FLAGS_REG-setting-.patch + 11 20 August 2025 U 86_all_PR121572_x86-Place-the-TLS-call-before-all-FLAGS_REG-setting-.patch
