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Support -march=gracemont

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Alderlake-N is E-core only, add it as an alias of Alderlake.

gcc/ChangeLog:

	* common/config/i386/cpuinfo.h (get_intel_cpu): Detect
	Alderlake-N.
	* common/config/i386/i386-common.cc (alias_table): Support
	-march=gracemont as an alias of -march=alderlake.
This commit is contained in:
liuhongt 2023-08-18 10:30:35 +08:00
parent a75932106e
commit f847e0195d
2 changed files with 5 additions and 0 deletions
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3
gcc/common/config/i386/cpuinfo.h
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@ -533,6 +533,9 @@ get_intel_cpu (struct __processor_model *cpu_model,
cpu_model->__cpu_type = INTEL_COREI7;
cpu_model->__cpu_subtype = INTEL_COREI7_TIGERLAKE;
break;
case 0xbe:
/* Alder Lake N, E-core only. */
case 0x97:
case 0x9a:
/* Alder Lake. */

2
gcc/common/config/i386/i386-common.cc
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@ -2301,6 +2301,8 @@ const pta processor_alias_table[] =
M_CPU_TYPE (INTEL_GOLDMONT_PLUS), P_PROC_SSE4_2},
{"tremont", PROCESSOR_TREMONT, CPU_HASWELL, PTA_TREMONT,
M_CPU_TYPE (INTEL_TREMONT), P_PROC_SSE4_2},
{"gracemont", PROCESSOR_ALDERLAKE, CPU_HASWELL, PTA_ALDERLAKE,
M_CPU_SUBTYPE (INTEL_COREI7_ALDERLAKE), P_PROC_AVX2},
{"sierraforest", PROCESSOR_SIERRAFOREST, CPU_HASWELL, PTA_SIERRAFOREST,
M_CPU_SUBTYPE (INTEL_SIERRAFOREST), P_PROC_AVX2},
{"grandridge", PROCESSOR_GRANDRIDGE, CPU_HASWELL, PTA_GRANDRIDGE,