Tcwg-commits July 2015

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[SCM] Linaro gcc mirror + linaro-local branches branch hjl/iamcu/improve updated. d607c8f25360a239c7bf817cadc304bf50f43092

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, hjl/iamcu/improve has been updated discards 3684a433ab7fb6dc186e011f74ee205b5b82d83c (commit) via d607c8f25360a239c7bf817cadc304bf50f43092 (commit) This update added new revisions after undoing existing revisions. That is to say, the old revision is not a strict subset of the new revision. This situation occurs when you --force push a change and generate a repository containing something like this: * -- * -- B -- O -- O -- O (3684a433ab7fb6dc186e011f74ee205b5b82d83c) \ N -- N -- N (d607c8f25360a239c7bf817cadc304bf50f43092) When this happens we assume that you've already had alert emails for all of the O revisions, and so we here report only the revisions in the N branch from the common base, B. Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit d607c8f25360a239c7bf817cadc304bf50f43092 Author: H.J. Lu <hjl.tools(a)gmail.com> Date: Fri Jul 3 06:44:47 2015 -0700 Add -march=iamcu to optimize for IA MCU IA MCU is based on Intel Pentium ISA without x87 and passing parameters in registers. We want to optimize for IA MCU without changing existing Pentium codegen. This patch adds PROCESSOR_IAMCU for -march=iamcu, which is based on -march=pentium with updated cost tables. gcc/ PR target/66749 * config/i386/i386.c (iamcu_cost): New. (m_IAMCU): Likewise. (initial_ix86_arch_features): Disable X86_ARCH_CMOV for m_IAMCU. (processor_target_table): Add an entry for "iamcu". (processor_alias_table): Likewise. (ix86_issue_rate): Handle PROCESSOR_IAMCU. (ix86_adjust_cost): Likewise. (ia32_multipass_dfa_lookahead): Likewise. * config/i386/i386.h (processor_type): Add PROCESSOR_IAMCU. * config/i386/x86-tune.def: Updated for m_IAMCU. gcc/testsuite/ PR target/66749 * gcc.target/i386/pr66749.c: New test. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 7d26e8c..98250c4 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -426,6 +426,74 @@ struct processor_costs pentium_cost = { 1, /* cond_not_taken_branch_cost. */ }; +static const +struct processor_costs iamcu_cost = { + COSTS_N_INSNS (1), /* cost of an add instruction */ + COSTS_N_INSNS (1) + 1, /* cost of a lea instruction */ + COSTS_N_INSNS (4), /* variable shift costs */ + COSTS_N_INSNS (1), /* constant shift costs */ + {COSTS_N_INSNS (11), /* cost of starting multiply for QI */ + COSTS_N_INSNS (11), /* HI */ + COSTS_N_INSNS (11), /* SI */ + COSTS_N_INSNS (11), /* DI */ + COSTS_N_INSNS (11)}, /* other */ + 0, /* cost of multiply per each bit set */ + {COSTS_N_INSNS (25), /* cost of a divide/mod for QI */ + COSTS_N_INSNS (25), /* HI */ + COSTS_N_INSNS (25), /* SI */ + COSTS_N_INSNS (25), /* DI */ + COSTS_N_INSNS (25)}, /* other */ + COSTS_N_INSNS (3), /* cost of movsx */ + COSTS_N_INSNS (2), /* cost of movzx */ + 8, /* "large" insn */ + 6, /* MOVE_RATIO */ + 6, /* cost for loading QImode using movzbl */ + {2, 4, 2}, /* cost of loading integer registers + in QImode, HImode and SImode. + Relative to reg-reg move (2). */ + {2, 4, 2}, /* cost of storing integer registers */ + 2, /* cost of reg,reg fld/fst */ + {2, 2, 6}, /* cost of loading fp registers + in SFmode, DFmode and XFmode */ + {4, 4, 6}, /* cost of storing fp registers + in SFmode, DFmode and XFmode */ + 8, /* cost of moving MMX register */ + {8, 8}, /* cost of loading MMX registers + in SImode and DImode */ + {8, 8}, /* cost of storing MMX registers + in SImode and DImode */ + 2, /* cost of moving SSE register */ + {4, 8, 16}, /* cost of loading SSE registers + in SImode, DImode and TImode */ + {4, 8, 16}, /* cost of storing SSE registers + in SImode, DImode and TImode */ + 3, /* MMX or SSE register to integer */ + 8, /* size of l1 cache. */ + 8, /* size of l2 cache */ + 0, /* size of prefetch block */ + 0, /* number of parallel prefetches */ + 2, /* Branch cost */ + COSTS_N_INSNS (3), /* cost of FADD and FSUB insns. */ + COSTS_N_INSNS (3), /* cost of FMUL instruction. */ + COSTS_N_INSNS (39), /* cost of FDIV instruction. */ + COSTS_N_INSNS (1), /* cost of FABS instruction. */ + COSTS_N_INSNS (1), /* cost of FCHS instruction. */ + COSTS_N_INSNS (70), /* cost of FSQRT instruction. */ + pentium_memcpy, + pentium_memset, + 1, /* scalar_stmt_cost. */ + 1, /* scalar load_cost. */ + 1, /* scalar_store_cost. */ + 1, /* vec_stmt_cost. */ + 1, /* vec_to_scalar_cost. */ + 1, /* scalar_to_vec_cost. */ + 1, /* vec_align_load_cost. */ + 2, /* vec_unalign_load_cost. */ + 1, /* vec_store_cost. */ + 3, /* cond_taken_branch_cost. */ + 1, /* cond_not_taken_branch_cost. */ +}; + /* PentiumPro has optimized rep instructions for blocks aligned by 8 bytes (we ensure the alignment). For small blocks inline loop is still a noticeable win, for bigger blocks either rep movsl or rep movsb is @@ -2027,6 +2095,7 @@ const struct processor_costs *ix86_cost = &pentium_cost; #define m_386 (1<<PROCESSOR_I386) #define m_486 (1<<PROCESSOR_I486) #define m_PENT (1<<PROCESSOR_PENTIUM) +#define m_IAMCU (1<<PROCESSOR_IAMCU) #define m_PPRO (1<<PROCESSOR_PENTIUMPRO) #define m_PENT4 (1<<PROCESSOR_PENTIUM4) #define m_NOCONA (1<<PROCESSOR_NOCONA) @@ -2086,7 +2155,7 @@ unsigned char ix86_arch_features[X86_ARCH_LAST]; ix86_arch_features based on the processor mask. */ static unsigned int initial_ix86_arch_features[X86_ARCH_LAST] = { /* X86_ARCH_CMOV: Conditional move was added for pentiumpro. */ - ~(m_386 | m_486 | m_PENT | m_K6), + ~(m_386 | m_486 | m_PENT | m_IAMCU | m_K6), /* X86_ARCH_CMPXCHG: Compare and exchange was added for 80486. */ ~m_386, @@ -2497,6 +2566,7 @@ static const struct ptt processor_target_table[PROCESSOR_max] = {"i386", &i386_cost, 4, 3, 4, 3, 4}, {"i486", &i486_cost, 16, 15, 16, 15, 16}, {"pentium", &pentium_cost, 16, 7, 16, 7, 16}, + {"iamcu", &iamcu_cost, 16, 7, 16, 7, 16}, {"pentiumpro", &pentiumpro_cost, 16, 15, 16, 10, 16}, {"pentium4", &pentium4_cost, 0, 0, 0, 0, 0}, {"nocona", &nocona_cost, 0, 0, 0, 0, 0}, @@ -3246,6 +3316,7 @@ ix86_option_override_internal (bool main_args_p, {"i486", PROCESSOR_I486, CPU_NONE, 0}, {"i586", PROCESSOR_PENTIUM, CPU_PENTIUM, 0}, {"pentium", PROCESSOR_PENTIUM, CPU_PENTIUM, 0}, + {"iamcu", PROCESSOR_IAMCU, CPU_PENTIUM, 0}, {"pentium-mmx", PROCESSOR_PENTIUM, CPU_PENTIUM, PTA_MMX}, {"winchip-c6", PROCESSOR_I486, CPU_NONE, PTA_MMX}, {"winchip2", PROCESSOR_I486, CPU_NONE, PTA_MMX | PTA_3DNOW | PTA_PRFCHW}, @@ -26138,6 +26209,7 @@ ix86_issue_rate (void) switch (ix86_tune) { case PROCESSOR_PENTIUM: + case PROCESSOR_IAMCU: case PROCESSOR_BONNELL: case PROCESSOR_SILVERMONT: case PROCESSOR_KNL: @@ -26324,6 +26396,7 @@ ix86_adjust_cost (rtx_insn *insn, rtx link, rtx_insn *dep_insn, int cost) switch (ix86_tune) { case PROCESSOR_PENTIUM: + case PROCESSOR_IAMCU: /* Address Generation Interlock adds a cycle of latency. */ if (insn_type == TYPE_LEA) { @@ -26533,6 +26606,7 @@ ia32_multipass_dfa_lookahead (void) switch (ix86_tune) { case PROCESSOR_PENTIUM: + case PROCESSOR_IAMCU: return 2; case PROCESSOR_PENTIUMPRO: diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index d710b3d..f357e79 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -2266,6 +2266,7 @@ enum processor_type PROCESSOR_I386, /* 80386 */ PROCESSOR_I486, /* 80486DX, 80486SX, 80486DX[24] */ PROCESSOR_PENTIUM, + PROCESSOR_IAMCU, PROCESSOR_PENTIUMPRO, PROCESSOR_PENTIUM4, PROCESSOR_NOCONA, diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def index bb3209d..42a560b 100644 --- a/gcc/config/i386/x86-tune.def +++ b/gcc/config/i386/x86-tune.def @@ -40,8 +40,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see /* X86_TUNE_SCHEDULE: Enable scheduling. */ DEF_TUNE (X86_TUNE_SCHEDULE, "schedule", - m_PENT | m_PPRO | m_CORE_ALL | m_BONNELL | m_SILVERMONT | m_INTEL - | m_KNL | m_K6_GEODE | m_AMD_MULTIPLE | m_GENERIC) + m_PENT | m_IAMCU | m_PPRO | m_CORE_ALL | m_BONNELL | m_SILVERMONT + | m_INTEL | m_KNL | m_K6_GEODE | m_AMD_MULTIPLE | m_GENERIC) /* X86_TUNE_PARTIAL_REG_DEPENDENCY: Enable more register renaming on modern chips. Preffer stores affecting whole integer register @@ -172,19 +172,21 @@ DEF_TUNE (X86_TUNE_PUSH_MEMORY, "push_memory", /* X86_TUNE_SINGLE_PUSH: Enable if single push insn is preferred over esp subtraction. */ DEF_TUNE (X86_TUNE_SINGLE_PUSH, "single_push", m_386 | m_486 | m_PENT - | m_K6_GEODE) + | m_IAMCU | m_K6_GEODE) /* X86_TUNE_DOUBLE_PUSH. Enable if double push insn is preferred over esp subtraction. */ -DEF_TUNE (X86_TUNE_DOUBLE_PUSH, "double_push", m_PENT | m_K6_GEODE) +DEF_TUNE (X86_TUNE_DOUBLE_PUSH, "double_push", m_PENT | m_IAMCU + | m_K6_GEODE) /* X86_TUNE_SINGLE_POP: Enable if single pop insn is preferred over esp addition. */ -DEF_TUNE (X86_TUNE_SINGLE_POP, "single_pop", m_386 | m_486 | m_PENT | m_PPRO) +DEF_TUNE (X86_TUNE_SINGLE_POP, "single_pop", m_386 | m_486 | m_PENT + | m_IAMCU | m_PPRO) /* X86_TUNE_DOUBLE_POP: Enable if double pop insn is preferred over esp addition. */ -DEF_TUNE (X86_TUNE_DOUBLE_POP, "double_pop", m_PENT) +DEF_TUNE (X86_TUNE_DOUBLE_POP, "double_pop", m_PENT | m_IAMCU) /*****************************************************************************/ /* Branch predictor tuning */ @@ -224,7 +226,7 @@ DEF_TUNE (X86_TUNE_LCP_STALL, "lcp_stall", m_CORE_ALL | m_GENERIC) /* X86_TUNE_READ_MODIFY: Enable use of read-modify instructions such as "add mem, reg". */ -DEF_TUNE (X86_TUNE_READ_MODIFY, "read_modify", ~(m_PENT | m_PPRO)) +DEF_TUNE (X86_TUNE_READ_MODIFY, "read_modify", ~(m_PENT | m_IAMCU | m_PPRO)) /* X86_TUNE_USE_INCDEC: Enable use of inc/dec instructions. */ DEF_TUNE (X86_TUNE_USE_INCDEC, "use_incdec", @@ -284,7 +286,8 @@ DEF_TUNE (X86_TUNE_USE_SAHF, "use_sahf", /* X86_TUNE_USE_CLTD: Controls use of CLTD and CTQO instructions. */ DEF_TUNE (X86_TUNE_USE_CLTD, "use_cltd", - ~(m_PENT | m_BONNELL | m_SILVERMONT | m_KNL | m_INTEL | m_K6)) + ~(m_PENT | m_IAMCU | m_BONNELL | m_SILVERMONT | m_KNL | m_INTEL + | m_K6)) /* X86_TUNE_USE_BT: Enable use of BT (bit test) instructions. */ DEF_TUNE (X86_TUNE_USE_BT, "use_bt", @@ -304,8 +307,8 @@ DEF_TUNE (X86_TUNE_USE_HIMODE_FIOP, "use_himode_fiop", /* X86_TUNE_USE_SIMODE_FIOP: Enables use of x87 instructions with 32bit integer operand. */ DEF_TUNE (X86_TUNE_USE_SIMODE_FIOP, "use_simode_fiop", - ~(m_PENT | m_PPRO | m_CORE_ALL | m_BONNELL | m_SILVERMONT - | m_KNL | m_INTEL | m_AMD_MULTIPLE | m_GENERIC)) + ~(m_PENT | m_IAMCU | m_PPRO | m_CORE_ALL | m_BONNELL + | m_SILVERMONT | m_KNL | m_INTEL | m_AMD_MULTIPLE | m_GENERIC)) /* X86_TUNE_USE_FFREEP: Use freep instruction instead of fstp. */ DEF_TUNE (X86_TUNE_USE_FFREEP, "use_ffreep", m_AMD_MULTIPLE) @@ -444,7 +447,8 @@ DEF_TUNE (X86_TUNE_SHIFT1, "shift1", ~m_486) /* X86_TUNE_ZERO_EXTEND_WITH_AND: Use AND instruction instead of mozbl/movwl. */ -DEF_TUNE (X86_TUNE_ZERO_EXTEND_WITH_AND, "zero_extend_with_and", m_486 | m_PENT) +DEF_TUNE (X86_TUNE_ZERO_EXTEND_WITH_AND, "zero_extend_with_and", + m_486 | m_PENT | m_IAMCU) /* X86_TUNE_PROMOTE_HIMODE_IMUL: Modern CPUs have same latency for HImode and SImode multiply, but 386 and 486 do HImode multiply faster. */ @@ -454,19 +458,21 @@ DEF_TUNE (X86_TUNE_PROMOTE_HIMODE_IMUL, "promote_himode_imul", /* X86_TUNE_FAST_PREFIX: Enable demoting some 32bit or 64bit arithmetic into 16bit/8bit when resulting sequence is shorter. For example for "and $-65536, reg" to 16bit store of 0. */ -DEF_TUNE (X86_TUNE_FAST_PREFIX, "fast_prefix", ~(m_386 | m_486 | m_PENT)) +DEF_TUNE (X86_TUNE_FAST_PREFIX, "fast_prefix", + ~(m_386 | m_486 | m_PENT | m_IAMCU)) /* X86_TUNE_READ_MODIFY_WRITE: Enable use of read modify write instructions such as "add $1, mem". */ -DEF_TUNE (X86_TUNE_READ_MODIFY_WRITE, "read_modify_write", ~m_PENT) +DEF_TUNE (X86_TUNE_READ_MODIFY_WRITE, "read_modify_write", + ~(m_PENT | m_IAMCU)) /* X86_TUNE_MOVE_M1_VIA_OR: On pentiums, it is faster to load -1 via OR than a MOV. */ -DEF_TUNE (X86_TUNE_MOVE_M1_VIA_OR, "move_m1_via_or", m_PENT) +DEF_TUNE (X86_TUNE_MOVE_M1_VIA_OR, "move_m1_via_or", m_PENT | m_IAMCU) /* X86_TUNE_NOT_UNPAIRABLE: NOT is not pairable on Pentium, while XOR is, but one byte longer. */ -DEF_TUNE (X86_TUNE_NOT_UNPAIRABLE, "not_unpairable", m_PENT) +DEF_TUNE (X86_TUNE_NOT_UNPAIRABLE, "not_unpairable", m_PENT | m_IAMCU) /* X86_TUNE_PARTIAL_REG_STALL: Pentium pro, unlike later chips, handled use of partial registers by renaming. This improved performance of 16bit diff --git a/gcc/testsuite/gcc.target/i386/pr66749.c b/gcc/testsuite/gcc.target/i386/pr66749.c new file mode 100644 index 0000000..affda08 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66749.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target ia32 } */ +/* { dg-require-effective-target nonpic } */ +/* { dg-options "-O2 -miamcu -mtune=iamcu" } */ + +char a[10], b[10]; + +int f(int i) +{ + return a[i+1] + b[i+1]; +} + +/* { dg-final { scan-assembler "a\\+1" } } */ +/* { dg-final { scan-assembler "b\\+1" } } */ ----------------------------------------------------------------------- Summary of changes: hooks/post-receive -- Linaro gcc mirror + linaro-local branches

9 years, 4 months

[SCM] Linaro gcc mirror + linaro-local branches branch trunk updated. 80b8a97a9aad4c8d8a4e23cc3d5911a2f81e699d

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, trunk has been updated via 80b8a97a9aad4c8d8a4e23cc3d5911a2f81e699d (commit) from b127ad66d1c53f6713f72a4978db0d1bfa411f4d (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: gcc/ChangeLog | 8 ++++++++ gcc/tree-vect-loop-manip.c | 2 +- 2 files changed, 9 insertions(+), 1 deletion(-) hooks/post-receive -- Linaro gcc mirror + linaro-local branches

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[SCM] Linaro gcc mirror + linaro-local branches branch master updated. 80b8a97a9aad4c8d8a4e23cc3d5911a2f81e699d

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[SCM] Linaro gcc mirror + linaro-local branches branch trunk updated. b127ad66d1c53f6713f72a4978db0d1bfa411f4d

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, trunk has been updated via b127ad66d1c53f6713f72a4978db0d1bfa411f4d (commit) from 9a56363e14dfb9c83b950c5d1f6fe04bf227624b (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: gcc/ChangeLog | 6 ++++++ gcc/config/bfin/bfin.c | 13 ++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) hooks/post-receive -- Linaro gcc mirror + linaro-local branches

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[SCM] Linaro gcc mirror + linaro-local branches branch master updated. b127ad66d1c53f6713f72a4978db0d1bfa411f4d

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, master has been updated via b127ad66d1c53f6713f72a4978db0d1bfa411f4d (commit) from 9a56363e14dfb9c83b950c5d1f6fe04bf227624b (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: gcc/ChangeLog | 6 ++++++ gcc/config/bfin/bfin.c | 13 ++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) hooks/post-receive -- Linaro gcc mirror + linaro-local branches

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[SCM] Linaro gcc mirror + linaro-local branches branch trunk updated. 9a56363e14dfb9c83b950c5d1f6fe04bf227624b

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, trunk has been updated via 9a56363e14dfb9c83b950c5d1f6fe04bf227624b (commit) from 8697277d3818237717b7b73cd2445804d7a93a1d (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: gcc/ChangeLog | 6 ++++++ gcc/config/i386/i386.c | 9 +++++---- gcc/testsuite/ChangeLog | 7 +++++++ gcc/testsuite/gcc.target/i386/pr53383-1.c | 8 ++++++++ gcc/testsuite/gcc.target/i386/pr53383-2.c | 8 ++++++++ gcc/testsuite/gcc.target/i386/pr53383-3.c | 8 ++++++++ 6 files changed, 42 insertions(+), 4 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-1.c create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-2.c create mode 100644 gcc/testsuite/gcc.target/i386/pr53383-3.c hooks/post-receive -- Linaro gcc mirror + linaro-local branches

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[SCM] Linaro gcc mirror + linaro-local branches branch trunk updated. 8697277d3818237717b7b73cd2445804d7a93a1d

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[SCM] Linaro gcc mirror + linaro-local branches branch trunk updated. 282b12fe58b0ea2e8bc10c8309691b8bf74247b1

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This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "Linaro gcc mirror + linaro-local branches". The branch, trunk has been updated via 282b12fe58b0ea2e8bc10c8309691b8bf74247b1 (commit) from e7966fe9160bb22110f35c47c2c143745604787b (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: gcc/ChangeLog | 5 +++++ gcc/config/aarch64/aarch64.md | 10 ++++++++++ gcc/testsuite/ChangeLog | 7 +++++++ gcc/testsuite/gcc.target/aarch64/fnmul-1.c | 16 ++++++++++++++++ gcc/testsuite/gcc.target/aarch64/fnmul-2.c | 18 ++++++++++++++++++ gcc/testsuite/gcc.target/aarch64/fnmul-3.c | 16 ++++++++++++++++ gcc/testsuite/gcc.target/aarch64/fnmul-4.c | 16 ++++++++++++++++ 7 files changed, 88 insertions(+) create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-1.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-2.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-3.c create mode 100644 gcc/testsuite/gcc.target/aarch64/fnmul-4.c hooks/post-receive -- Linaro gcc mirror + linaro-local branches

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Tcwg-commits July 2015